538161892 has 24 divisors (see below), whose sum is σ = 983646720. Its totient is φ = 257366880.

The previous prime is 538161881. The next prime is 538161937. The reversal of 538161892 is 298161835.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22084 + ... + 39547.

It is an arithmetic number, because the mean of its divisors is an integer number (40985280).

Almost surely, 2^538161892 is an apocalyptic number.

It is an amenable number.

538161892 is a deficient number, since it is larger than the sum of its proper divisors (445484828).

538161892 is a wasteful number, since it uses less digits than its factorization.

538161892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61731 (or 61729 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The square root of 538161892 is about 23198.3165768553. The cubic root of 538161892 is about 813.4002730148.

The spelling of 538161892 in words is "five hundred thirty-eight million, one hundred sixty-one thousand, eight hundred ninety-two".