253972168 has 16 divisors (see below), whose sum is σ = 477233280. Its totient is φ = 126709968.

The previous prime is 253972157. The next prime is 253972171. The reversal of 253972168 is 861279352.

253972168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 30580 + ... + 37987.

It is an arithmetic number, because the mean of its divisors is an integer number (29827080).

Almost surely, 2^253972168 is an apocalyptic number.

It is an amenable number.

253972168 is a deficient number, since it is larger than the sum of its proper divisors (223261112).

253972168 is a wasteful number, since it uses less digits than its factorization.

253972168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69036 (or 69032 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 253972168 is about 15936.5042590902. The cubic root of 253972168 is about 633.2794209572.

The spelling of 253972168 in words is "two hundred fifty-three million, nine hundred seventy-two thousand, one hundred sixty-eight".