5669956818 has 24 divisors (see below), whose sum is σ = 12291442956. Its totient is φ = 1888980000.

The previous prime is 5669956781. The next prime is 5669956843. The reversal of 5669956818 is 8186599665.

5669956818 is a `hidden beast` number, since 5 + 6 + 69 + 9 + 568 + 1 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5666024529 + 3932289 = 75273^2 + 1983^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48633 + ... + 117068.

Almost surely, 2^5669956818 is an apocalyptic number.

5669956818 is an abundant number, since it is smaller than the sum of its proper divisors (6621486138).

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

5669956818 is a wasteful number, since it uses less digits than its factorization.

5669956818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167610 (or 167607 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 63.

The square root of 5669956818 is about 75299.1156521775. The cubic root of 5669956818 is about 1783.1720590020.

The spelling of 5669956818 in words is "five billion, six hundred sixty-nine million, nine hundred fifty-six thousand, eight hundred eighteen".