666025430675626 has 24 divisors (see below), whose sum is σ = 1163069485986240. Its totient is φ = 285212751038712.

The previous prime is 666025430675581. The next prime is 666025430675723. The reversal of 666025430675626 is 626576034520666.

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, 2698914690 + ... + 2699161453.

It is an arithmetic number, because the mean of its divisors is an integer number (48461228582760).

Almost surely, 2^{666025430675626} is an apocalyptic number.

666025430675626 is a deficient number, since it is larger than the sum of its proper divisors (497044055310614).

666025430675626 is a wasteful number, since it uses less digits than its factorization.

666025430675626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5398077418 (or 5398077411 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 64.

The spelling of 666025430675626 in words is "six hundred sixty-six trillion, twenty-five billion, four hundred thirty million, six hundred seventy-five thousand, six hundred twenty-six".