666124044 has 48 divisors (see below), whose sum is σ = 1596768768. Its totient is φ = 216029248.

The previous prime is 666124027. The next prime is 666124079. The reversal of 666124044 is 440421666.

It is a junction number, because it is equal to n+sod(n) for n = 666123996 and 666124014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94159 + ... + 100985.

It is an arithmetic number, because the mean of its divisors is an integer number (33266016).

Almost surely, 2^666124044 is an apocalyptic number.

It is an amenable number.

666124044 is an abundant number, since it is smaller than the sum of its proper divisors (930644724).

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

666124044 is a wasteful number, since it uses less digits than its factorization.

666124044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054 (or 7052 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 666124044 is about 25809.3789929165. The cubic root of 666124044 is about 873.3433881224.

The spelling of 666124044 in words is "six hundred sixty-six million, one hundred twenty-four thousand, forty-four".