542186870164 has 24 divisors (see below), whose sum is σ = 973554919848. Its totient is φ = 264049896960.

The previous prime is 542186870129. The next prime is 542186870179. The reversal of 542186870164 is 461078681245.

It can be written as a sum of positive squares in 4 ways, for example, as 73057765264 + 469129104900 = 270292^2 + 684930^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2596057 + ... + 2797120.

It is an arithmetic number, because the mean of its divisors is an integer number (40564788327).

Almost surely, 2^542186870164 is an apocalyptic number.

It is an amenable number.

542186870164 is a deficient number, since it is larger than the sum of its proper divisors (431368049684).

542186870164 is a wasteful number, since it uses less digits than its factorization.

542186870164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393835 (or 5393833 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 542186870164 in words is "five hundred forty-two billion, one hundred eighty-six million, eight hundred seventy thousand, one hundred sixty-four".