164994528 has 24 divisors (see below), whose sum is σ = 433110888. Its totient is φ = 54998144.

The previous prime is 164994521. The next prime is 164994551. The reversal of 164994528 is 825499461.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164994521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859251 + ... + 859442.

It is an arithmetic number, because the mean of its divisors is an integer number (18046287).

Almost surely, 2^164994528 is an apocalyptic number.

It is an amenable number.

164994528 is an abundant number, since it is smaller than the sum of its proper divisors (268116360).

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

164994528 is a wasteful number, since it uses less digits than its factorization.

164994528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718706 (or 1718698 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 164994528 is about 12845.0195795880. The cubic root of 164994528 is about 548.4745919719.

The spelling of 164994528 in words is "one hundred sixty-four million, nine hundred ninety-four thousand, five hundred twenty-eight".