164958959 has 8 divisors (see below), whose sum is σ = 180198480. Its totient is φ = 149760000.

The previous prime is 164958947. The next prime is 164958979. The reversal of 164958959 is 959859461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164958959 is a prime.

It is a super-2 number, since 2×164958959² = 54422916308727362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164958979) 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, 1292 + ... + 18209.

It is an arithmetic number, because the mean of its divisors is an integer number (22524810).

Almost surely, 2^164958959 is an apocalyptic number.

164958959 is a deficient number, since it is larger than the sum of its proper divisors (15239521).

164958959 is a wasteful number, since it uses less digits than its factorization.

164958959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20281.

The product of its digits is 3499200, while the sum is 56.

The square root of 164958959 is about 12843.6349605554. The cubic root of 164958959 is about 548.4351763318.

The spelling of 164958959 in words is "one hundred sixty-four million, nine hundred fifty-eight thousand, nine hundred fifty-nine".