666382176000 has 216 divisors, whose sum is σ = 2397838467024. Its totient is φ = 177701836800.

The previous prime is 666382175999. The next prime is 666382176013. The reversal of 666382176000 is 671283666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868914 + ... + 1444913.

It is an arithmetic number, because the mean of its divisors is an integer number (11101104014).

Almost surely, 2^666382176000 is an apocalyptic number.

666382176000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

666382176000 is an abundant number, since it is smaller than the sum of its proper divisors (1731456291024).

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

666382176000 is a wasteful number, since it uses less digits than its factorization.

666382176000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313864 (or 2313837 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 666382176000 in words is "six hundred sixty-six billion, three hundred eighty-two million, one hundred seventy-six thousand".