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168949116 = 223271275279
BaseRepresentation
bin10100001000111…
…11010101111100
3102202220111121200
422010133111330
5321222332431
624433055500
74121021010
oct1204372574
9382814550
10168949116
1187404a76
12486b7590
1329004bbb
141861c540
15ec73ee6
hexa11f57c

168949116 has 72 divisors (see below), whose sum is σ = 492011520. Its totient is φ = 47882016.

The previous prime is 168949103. The next prime is 168949117. The reversal of 168949116 is 611949861.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168949117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29365 + ... + 34643.

Almost surely, 2168949116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168949116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246005760).

168949116 is an abundant number, since it is smaller than the sum of its proper divisors (323062404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168949116 is a wasteful number, since it uses less digits than its factorization.

168949116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423 (or 5418 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 168949116 is about 12998.0427757413. The cubic root of 168949116 is about 552.8219874000.

It can be divided in two parts, 1689 and 49116, that added together give a palindrome (50805).

The spelling of 168949116 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 127 252 254 381 508 762 889 1143 1524 1778 2286 2667 3556 4572 5279 5334 8001 10558 10668 15837 16002 21116 31674 32004 36953 47511 63348 73906 95022 110859 147812 190044 221718 332577 443436 665154 670433 1330308 1340866 2011299 2681732 4022598 4693031 6033897 8045196 9386062 12067794 14079093 18772124 24135588 28158186 42237279 56316372 84474558 168949116