164265556 has 24 divisors (see below), whose sum is σ = 353803520. Its totient is φ = 64984032.

The previous prime is 164265527. The next prime is 164265571. The reversal of 164265556 is 655562461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225276 + ... + 226003.

Almost surely, 2^164265556 is an apocalyptic number.

It is an amenable number.

164265556 is an abundant number, since it is smaller than the sum of its proper divisors (189537964).

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

164265556 is a wasteful number, since it uses less digits than its factorization.

164265556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451303 (or 451301 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 164265556 is about 12816.6125009692. The cubic root of 164265556 is about 547.6656502022.

The spelling of 164265556 in words is "one hundred sixty-four million, two hundred sixty-five thousand, five hundred fifty-six".