164515532 has 6 divisors (see below), whose sum is σ = 287902188. Its totient is φ = 82257764.

The previous prime is 164515531. The next prime is 164515537. The reversal of 164515532 is 235515461.

It is not an unprimeable number, because it can be changed into a prime (164515531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20564438 + ... + 20564445.

It is an arithmetic number, because the mean of its divisors is an integer number (47983698).

Almost surely, 2^164515532 is an apocalyptic number.

It is an amenable number.

164515532 is a deficient number, since it is larger than the sum of its proper divisors (123386656).

164515532 is a wasteful number, since it uses less digits than its factorization.

164515532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41128887 (or 41128885 counting only the distinct ones).

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

The square root of 164515532 is about 12826.3608244895. The cubic root of 164515532 is about 547.9433182356.

The spelling of 164515532 in words is "one hundred sixty-four million, five hundred fifteen thousand, five hundred thirty-two".