665137300446676 has 12 divisors (see below), whose sum is σ = 1166690949278400. Its totient is φ = 331797029224280.

The previous prime is 665137300446629. The next prime is 665137300446727. The reversal of 665137300446676 is 676644003731566.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 192905247826 + ... + 192905251273.

It is an arithmetic number, because the mean of its divisors is an integer number (97224245773200).

Almost surely, 2^{665137300446676} is an apocalyptic number.

It is an amenable number.

665137300446676 is a deficient number, since it is larger than the sum of its proper divisors (501553648831724).

665137300446676 is a wasteful number, since it uses less digits than its factorization.

665137300446676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385810499534 (or 385810499532 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 64.

The spelling of 665137300446676 in words is "six hundred sixty-five trillion, one hundred thirty-seven billion, three hundred million, four hundred forty-six thousand, six hundred seventy-six".