5608666854 has 32 divisors (see below), whose sum is σ = 14244234240. Its totient is φ = 1602476136.

The previous prime is 5608666853. The next prime is 5608666871. The reversal of 5608666854 is 4586668065.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 5608666854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5608666853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7418494 + ... + 7419249.

It is an arithmetic number, because the mean of its divisors is an integer number (445132320).

Almost surely, 2^5608666854 is an apocalyptic number.

5608666854 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5608666854 is an abundant number, since it is smaller than the sum of its proper divisors (8635567386).

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

5608666854 is a wasteful number, since it uses less digits than its factorization.

5608666854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14837761 (or 14837755 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The square root of 5608666854 is about 74891.0332015789. The cubic root of 5608666854 is about 1776.7236425159.

The spelling of 5608666854 in words is "five billion, six hundred eight million, six hundred sixty-six thousand, eight hundred fifty-four".