665892151579660 has 48 divisors (see below), whose sum is σ = 1399428150958656. Its totient is φ = 266156008339712.

The previous prime is 665892151579607. The next prime is 665892151579667. The reversal of 665892151579660 is 66975151298566.

It is not an unprimeable number, because it can be changed into a prime (665892151579667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355384977 + ... + 357253783.

It is an arithmetic number, because the mean of its divisors is an integer number (29154753144972).

Almost surely, 2^{665892151579660} is an apocalyptic number.

It is an amenable number.

665892151579660 is an abundant number, since it is smaller than the sum of its proper divisors (733535999378996).

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

665892151579660 is a wasteful number, since it uses less digits than its factorization.

665892151579660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882242 (or 1882240 counting only the distinct ones).

The product of its (nonzero) digits is 1469664000, while the sum is 76.

The spelling of 665892151579660 in words is "six hundred sixty-five trillion, eight hundred ninety-two billion, one hundred fifty-one million, five hundred seventy-nine thousand, six hundred sixty".