5666401206 has 48 divisors (see below), whose sum is σ = 13009823424. Its totient is φ = 1776268032.

The previous prime is 5666401183. The next prime is 5666401211. The reversal of 5666401206 is 6021046665.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413395 + ... + 426881.

It is an arithmetic number, because the mean of its divisors is an integer number (271037988).

Almost surely, 2^5666401206 is an apocalyptic number.

5666401206 is an abundant number, since it is smaller than the sum of its proper divisors (7343422218).

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

5666401206 is a wasteful number, since it uses less digits than its factorization.

5666401206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14885 (or 14882 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 5666401206 is about 75275.5020308732. The cubic root of 5666401206 is about 1782.7992405393.

The spelling of 5666401206 in words is "five billion, six hundred sixty-six million, four hundred one thousand, two hundred six".