508861161 has 12 divisors (see below), whose sum is σ = 735217392. Its totient is φ = 339150456.

The previous prime is 508861123. The next prime is 508861163. The reversal of 508861161 is 161168805.

508861161 is a `hidden beast` number, since 508 + 86 + 11 + 61 = 666.

It is not a de Polignac number, because 508861161 - 2²² = 504666857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (508861163) 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, 60750 + ... + 68616.

It is an arithmetic number, because the mean of its divisors is an integer number (61268116).

Almost surely, 2^508861161 is an apocalyptic number.

It is an amenable number.

508861161 is a deficient number, since it is larger than the sum of its proper divisors (226356231).

508861161 is a wasteful number, since it uses less digits than its factorization.

508861161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060 (or 15057 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 508861161 is about 22557.9511702637. The cubic root of 508861161 is about 798.3618358332.

The spelling of 508861161 in words is "five hundred eight million, eight hundred sixty-one thousand, one hundred sixty-one".