5666693960 has 32 divisors (see below), whose sum is σ = 13189721400. Its totient is φ = 2188515840.

The previous prime is 5666693953. The next prime is 5666693971. The reversal of 5666693960 is 693966665.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4075800964 + 1590892996 = 63842^2 + 39886^2 .

It is a super-2 number, since 2×5666693960² = 64222840872600963200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5666693896 and 5666693905.

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, 2441381 + ... + 2443700.

Almost surely, 2^5666693960 is an apocalyptic number.

It is an amenable number.

5666693960 is an abundant number, since it is smaller than the sum of its proper divisors (7523027440).

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

5666693960 is a wasteful number, since it uses less digits than its factorization.

5666693960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885121 (or 4885117 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 56.

The square root of 5666693960 is about 75277.4465560569. The cubic root of 5666693960 is about 1782.8299427199.

The spelling of 5666693960 in words is "five billion, six hundred sixty-six million, six hundred ninety-three thousand, nine hundred sixty".