5215802166 has 16 divisors (see below), whose sum is σ = 11590671600. Its totient is φ = 1738600704.

The previous prime is 5215802153. The next prime is 5215802171. The reversal of 5215802166 is 6612085125.

5215802166 is a `hidden beast` number, since 52 + 1 + 580 + 21 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5215802166.

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, 48294411 + ... + 48294518.

It is an arithmetic number, because the mean of its divisors is an integer number (724416975).

Almost surely, 2^5215802166 is an apocalyptic number.

5215802166 is an abundant number, since it is smaller than the sum of its proper divisors (6374869434).

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

5215802166 is a wasteful number, since it uses less digits than its factorization.

5215802166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96588940 (or 96588934 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 5215802166 is about 72220.5107016006. The cubic root of 5215802166 is about 1734.2313660219.

The spelling of 5215802166 in words is "five billion, two hundred fifteen million, eight hundred two thousand, one hundred sixty-six".