168564472 has 64 divisors (see below), whose sum is σ = 341272800. Its totient is φ = 77898240.

The previous prime is 168564457. The next prime is 168564481. The reversal of 168564472 is 274465861.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608398 + ... + 608674.

Almost surely, 2^168564472 is an apocalyptic number.

It is an amenable number.

168564472 is an abundant number, since it is smaller than the sum of its proper divisors (172708328).

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

168564472 is a wasteful number, since it uses less digits than its factorization.

168564472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 412 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 168564472 is about 12983.2381168952. The cubic root of 168564472 is about 552.4021346831.

The spelling of 168564472 in words is "one hundred sixty-eight million, five hundred sixty-four thousand, four hundred seventy-two".