164573522 has 8 divisors (see below), whose sum is σ = 247649916. Its totient is φ = 82023552.

The previous prime is 164573501. The next prime is 164573537. The reversal of 164573522 is 225375461.

164573522 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 91795561 + 72777961 = 9581^2 + 8531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130823 + ... + 132074.

Almost surely, 2^164573522 is an apocalyptic number.

164573522 is a deficient number, since it is larger than the sum of its proper divisors (83076394).

164573522 is a wasteful number, since it uses less digits than its factorization.

164573522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263212.

The product of its digits is 50400, while the sum is 35.

The square root of 164573522 is about 12828.6212041669. The cubic root of 164573522 is about 548.0076920973.

The spelling of 164573522 in words is "one hundred sixty-four million, five hundred seventy-three thousand, five hundred twenty-two".