164328956 has 12 divisors (see below), whose sum is σ = 313719000. Its totient is φ = 74694960.

The previous prime is 164328911. The next prime is 164328973. The reversal of 164328956 is 659823461.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 3734749 = 164328956 / (1 + 6 + 4 + 3 + 2 + 8 + 9 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867331 + ... + 1867418.

It is an arithmetic number, because the mean of its divisors is an integer number (26143250).

Almost surely, 2^164328956 is an apocalyptic number.

It is an amenable number.

164328956 is a deficient number, since it is larger than the sum of its proper divisors (149390044).

164328956 is a wasteful number, since it uses less digits than its factorization.

164328956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734764 (or 3734762 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 164328956 is about 12819.0856148167. The cubic root of 164328956 is about 547.7361002241.

The spelling of 164328956 in words is "one hundred sixty-four million, three hundred twenty-eight thousand, nine hundred fifty-six".