5666326020 has 36 divisors (see below), whose sum is σ = 17187856140. Its totient is φ = 1511020224.

The previous prime is 5666326019. The next prime is 5666326027. The reversal of 5666326020 is 206236665.

It can be written as a sum of positive squares in 2 ways, for example, as 1788274944 + 3878051076 = 42288^2 + 62274^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5666326027) 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, 15739615 + ... + 15739974.

Almost surely, 2^5666326020 is an apocalyptic number.

It is an amenable number.

5666326020 is an abundant number, since it is smaller than the sum of its proper divisors (11521530120).

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

5666326020 is a wasteful number, since it uses less digits than its factorization.

5666326020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31479604 (or 31479599 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 5666326020 is about 75275.0026237130. The cubic root of 5666326020 is about 1782.7913553383.

The spelling of 5666326020 in words is "five billion, six hundred sixty-six million, three hundred twenty-six thousand, twenty".