538116570 has 48 divisors (see below), whose sum is σ = 1404329472. Its totient is φ = 142961760.

The previous prime is 538116559. The next prime is 538116619. The reversal of 538116570 is 75611835.

538116570 is a `hidden beast` number, since 5 + 3 + 81 + 1 + 6 + 570 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13359 + ... + 35421.

It is an arithmetic number, because the mean of its divisors is an integer number (29256864).

Almost surely, 2^538116570 is an apocalyptic number.

538116570 is an abundant number, since it is smaller than the sum of its proper divisors (866212902).

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

538116570 is a wasteful number, since it uses less digits than its factorization.

538116570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22347 (or 22344 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 538116570 is about 23197.3397181660. The cubic root of 538116570 is about 813.3774385217.

The spelling of 538116570 in words is "five hundred thirty-eight million, one hundred sixteen thousand, five hundred seventy".