5666851672 has 32 divisors (see below), whose sum is σ = 11264162400. Its totient is φ = 2663483904.

The previous prime is 5666851667. The next prime is 5666851679. The reversal of 5666851672 is 2761586665.

It is a super-2 number, since 2×5666851672² = 64226415744898391168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5666851679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87613 + ... + 137875.

It is an arithmetic number, because the mean of its divisors is an integer number (352005075).

Almost surely, 2^5666851672 is an apocalyptic number.

It is an amenable number.

5666851672 is a deficient number, since it is larger than the sum of its proper divisors (5597310728).

5666851672 is a wasteful number, since it uses less digits than its factorization.

5666851672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51115 (or 51111 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The square root of 5666851672 is about 75278.4940869569. The cubic root of 5666851672 is about 1782.8464821148.

The spelling of 5666851672 in words is "five billion, six hundred sixty-six million, eight hundred fifty-one thousand, six hundred seventy-two".