166572384 has 48 divisors (see below), whose sum is σ = 477005760. Its totient is φ = 50476160.

The previous prime is 166572347. The next prime is 166572397. The reversal of 166572384 is 483275661.

166572384 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 is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×166572384² = 55492718222886912, which contains 22 as substring.

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, 77814 + ... + 79925.

It is an arithmetic number, because the mean of its divisors is an integer number (9937620).

Almost surely, 2^166572384 is an apocalyptic number.

It is an amenable number.

166572384 is an abundant number, since it is smaller than the sum of its proper divisors (310433376).

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

166572384 is a wasteful number, since it uses less digits than its factorization.

166572384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157763 (or 157755 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 166572384 is about 12906.2924188165. The cubic root of 166572384 is about 550.2174170732.

The spelling of 166572384 in words is "one hundred sixty-six million, five hundred seventy-two thousand, three hundred eighty-four".