Search a number
-
+
164159477 = 3121125097
BaseRepresentation
bin10011100100011…
…01111111110101
3102102220011110122
421302031333311
5314011100402
624142301325
74032222026
oct1162157765
9372804418
10164159477
1184733499
1246b87845
1328018ab1
1417b32c4d
15e629ca2
hex9c8dff5

164159477 has 8 divisors (see below), whose sum is σ = 170264832. Its totient is φ = 158104800.

The previous prime is 164159461. The next prime is 164159503. The reversal of 164159477 is 774951461.

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 164159477 - 24 = 164159461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164159377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6008 + ... + 19089.

It is an arithmetic number, because the mean of its divisors is an integer number (21283104).

Almost surely, 2164159477 is an apocalyptic number.

It is an amenable number.

164159477 is a deficient number, since it is larger than the sum of its proper divisors (6105355).

164159477 is a wasteful number, since it uses less digits than its factorization.

164159477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25339.

The product of its digits is 211680, while the sum is 44.

The square root of 164159477 is about 12812.4734926555. The cubic root of 164159477 is about 547.5477347648.

The spelling of 164159477 in words is "one hundred sixty-four million, one hundred fifty-nine thousand, four hundred seventy-seven".

Divisors: 1 31 211 6541 25097 778007 5295467 164159477