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16160131 = 134328909
BaseRepresentation
bin111101101001…
…010110000011
31010102000112101
4331221112003
513114111011
61334211231
7254234041
oct75512603
933360471
1016160131
119138389
1254b3b17
13346a710
142209391
1516432c1
hexf69583

16160131 has 8 divisors (see below), whose sum is σ = 17808560. Its totient is φ = 14569632.

The previous prime is 16160129. The next prime is 16160143. The reversal of 16160131 is 13106161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16160131 - 21 = 16160129 is a prime.

It is a super-2 number, since 2×161601312 = 522299667874322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16160099 and 16160108.

It is not an unprimeable number, because it can be changed into a prime (16160731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13896 + ... + 15013.

It is an arithmetic number, because the mean of its divisors is an integer number (2226070).

Almost surely, 216160131 is an apocalyptic number.

16160131 is a deficient number, since it is larger than the sum of its proper divisors (1648429).

16160131 is a wasteful number, since it uses less digits than its factorization.

16160131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28965.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 16160131 is about 4019.9665421493. The cubic root of 16160131 is about 252.8220561309.

Adding to 16160131 its reverse (13106161), we get a palindrome (29266292).

The spelling of 16160131 in words is "sixteen million, one hundred sixty thousand, one hundred thirty-one".

Divisors: 1 13 43 559 28909 375817 1243087 16160131