253625166 has 24 divisors (see below), whose sum is σ = 551474040. Its totient is φ = 84241296.

The previous prime is 253625161. The next prime is 253625171. The reversal of 253625166 is 661526352.

It is a happy number.

253625166 is a `hidden beast` number, since 25 + 3 + 625 + 1 + 6 + 6 = 666.

253625166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253625161) and next prime (253625171).

It is a self number, because there is not a number n which added to its sum of digits gives 253625166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253625161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19801 + ... + 29988.

It is an arithmetic number, because the mean of its divisors is an integer number (22978085).

Almost surely, 2^253625166 is an apocalyptic number.

253625166 is an abundant number, since it is smaller than the sum of its proper divisors (297848874).

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

253625166 is a wasteful number, since it uses less digits than its factorization.

253625166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50080 (or 50077 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 253625166 is about 15925.6135203640. The cubic root of 253625166 is about 632.9908730893.

The spelling of 253625166 in words is "two hundred fifty-three million, six hundred twenty-five thousand, one hundred sixty-six".