163472564 has 18 divisors (see below), whose sum is σ = 291596550. Its totient is φ = 80188576.

The previous prime is 163472557. The next prime is 163472581. The reversal of 163472564 is 465274361.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 85008400 + 78464164 = 9220^2 + 8858^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3962 + ... + 18510.

Almost surely, 2^163472564 is an apocalyptic number.

It is an amenable number.

163472564 is a deficient number, since it is larger than the sum of its proper divisors (128123986).

163472564 is a wasteful number, since it uses less digits than its factorization.

163472564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14659 (or 14604 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 163472564 is about 12785.6389750376. The cubic root of 163472564 is about 546.7829429112.

The spelling of 163472564 in words is "one hundred sixty-three million, four hundred seventy-two thousand, five hundred sixty-four".