164155532 has 12 divisors (see below), whose sum is σ = 295036560. Its totient is φ = 79859376.

The previous prime is 164155499. The next prime is 164155543. The reversal of 164155532 is 235551461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554432 + ... + 554727.

It is an arithmetic number, because the mean of its divisors is an integer number (24586380).

Almost surely, 2^164155532 is an apocalyptic number.

It is an amenable number.

164155532 is a deficient number, since it is larger than the sum of its proper divisors (130881028).

164155532 is a wasteful number, since it uses less digits than its factorization.

164155532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109200 (or 1109198 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 164155532 is about 12812.3195401926. The cubic root of 164155532 is about 547.5433485968.

The spelling of 164155532 in words is "one hundred sixty-four million, one hundred fifty-five thousand, five hundred thirty-two".