5666172516 has 36 divisors (see below), whose sum is σ = 14369507152. Its totient is φ = 1882568304.

The previous prime is 5666172493. The next prime is 5666172517. The reversal of 5666172516 is 6152716665.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5666172517) 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, 245290 + ... + 267393.

Almost surely, 2^5666172516 is an apocalyptic number.

It is an amenable number.

5666172516 is an abundant number, since it is smaller than the sum of its proper divisors (8703334636).

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

5666172516 is a wasteful number, since it uses less digits than its factorization.

5666172516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513000 (or 512995 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 5666172516 is about 75273.9829954547. The cubic root of 5666172516 is about 1782.7752562484.

The spelling of 5666172516 in words is "five billion, six hundred sixty-six million, one hundred seventy-two thousand, five hundred sixteen".