666080073830 has 16 divisors (see below), whose sum is σ = 1251072139104. Its totient is φ = 254848028160.

The previous prime is 666080073709. The next prime is 666080073847. The reversal of 666080073830 is 38370080666.

It is a congruent number.

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, 1447999931 + ... + 1448000390.

It is an arithmetic number, because the mean of its divisors is an integer number (78192008694).

Almost surely, 2^666080073830 is an apocalyptic number.

666080073830 is a deficient number, since it is larger than the sum of its proper divisors (584992065274).

666080073830 is a wasteful number, since it uses less digits than its factorization.

666080073830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896000351.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 666080073830 in words is "six hundred sixty-six billion, eighty million, seventy-three thousand, eight hundred thirty".