668055182370 has 32 divisors (see below), whose sum is σ = 1605014911872. Its totient is φ = 177961107072.

The previous prime is 668055182369. The next prime is 668055182383. The reversal of 668055182370 is 73281550866.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 11654782 + ... + 11711961.

It is an arithmetic number, because the mean of its divisors is an integer number (50156715996).

Almost surely, 2^668055182370 is an apocalyptic number.

668055182370 is an abundant number, since it is smaller than the sum of its proper divisors (936959729502).

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

668055182370 is a wasteful number, since it uses less digits than its factorization.

668055182370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23367706.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 668055182370 in words is "six hundred sixty-eight billion, fifty-five million, one hundred eighty-two thousand, three hundred seventy".