666174012 has 36 divisors (see below), whose sum is σ = 1808188200. Its totient is φ = 190335264.

The previous prime is 666174007. The next prime is 666174031. The reversal of 666174012 is 210471666.

It is a super-2 number, since 2×666174012² = 887575628528352288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565887 + ... + 567062.

It is an arithmetic number, because the mean of its divisors is an integer number (50227450).

Almost surely, 2^666174012 is an apocalyptic number.

It is an amenable number.

666174012 is an abundant number, since it is smaller than the sum of its proper divisors (1142014188).

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

666174012 is a wasteful number, since it uses less digits than its factorization.

666174012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132970 (or 1132961 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 666174012 is about 25810.3469949553. The cubic root of 666174012 is about 873.3652249618.

The spelling of 666174012 in words is "six hundred sixty-six million, one hundred seventy-four thousand, twelve".