164620472 has 32 divisors (see below), whose sum is σ = 320468400. Its totient is φ = 79183104.

The previous prime is 164620459. The next prime is 164620483. The reversal of 164620472 is 274026461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71483 + ... + 73749.

Almost surely, 2^164620472 is an apocalyptic number.

It is an amenable number.

164620472 is a deficient number, since it is larger than the sum of its proper divisors (155847928).

164620472 is a wasteful number, since it uses less digits than its factorization.

164620472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 164620472 is about 12830.4509663534. The cubic root of 164620472 is about 548.0597995374.

The spelling of 164620472 in words is "one hundred sixty-four million, six hundred twenty thousand, four hundred seventy-two".