164555952 has 40 divisors (see below), whose sum is σ = 463750080. Its totient is φ = 49865280.

The previous prime is 164555933. The next prime is 164555959. The reversal of 164555952 is 259555461.

It is a super-2 number, since 2×164555952² = 54157322677252608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164555959) 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, 155302 + ... + 156357.

It is an arithmetic number, because the mean of its divisors is an integer number (11593752).

Almost surely, 2^164555952 is an apocalyptic number.

164555952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164555952 is an abundant number, since it is smaller than the sum of its proper divisors (299194128).

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

164555952 is a wasteful number, since it uses less digits than its factorization.

164555952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311681 (or 311675 counting only the distinct ones).

The product of its digits is 270000, while the sum is 42.

The square root of 164555952 is about 12827.9363889910. The cubic root of 164555952 is about 547.9881894910.

The spelling of 164555952 in words is "one hundred sixty-four million, five hundred fifty-five thousand, nine hundred fifty-two".