666150174445060 has 24 divisors (see below), whose sum is σ = 1398916303061760. Its totient is φ = 266459891353824.

The previous prime is 666150174445037. The next prime is 666150174445073. The reversal of 666150174445060 is 60544471051666.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 666150174444992 and 666150174445010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21844611 + ... + 42538069.

It is an arithmetic number, because the mean of its divisors is an integer number (58288179294240).

Almost surely, 2^{666150174445060} is an apocalyptic number.

It is an amenable number.

666150174445060 is an abundant number, since it is smaller than the sum of its proper divisors (732766128616700).

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

666150174445060 is a wasteful number, since it uses less digits than its factorization.

666150174445060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22303035 (or 22303033 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 666150174445060 in words is "six hundred sixty-six trillion, one hundred fifty billion, one hundred seventy-four million, four hundred forty-five thousand, sixty".