168872584536 has 48 divisors (see below), whose sum is σ = 469107289800. Its totient is φ = 56288848320.

The previous prime is 168872584523. The next prime is 168872584547. The reversal of 168872584536 is 635485278861.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

168872584536 is a `hidden beast` number, since 1 + 68 + 8 + 72 + 58 + 453 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6025596 + ... + 6053556.

Almost surely, 2^168872584536 is an apocalyptic number.

It is an amenable number.

168872584536 is an abundant number, since it is smaller than the sum of its proper divisors (300234705264).

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

168872584536 is an frugal number, since it uses more digits than its factorization.

168872584536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55937 (or 27966 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 168872584536 in words is "one hundred sixty-eight billion, eight hundred seventy-two million, five hundred eighty-four thousand, five hundred thirty-six".