665050227055512 has 32 divisors (see below), whose sum is σ = 1662722463916800. Its totient is φ = 221670489514784.

The previous prime is 665050227055493. The next prime is 665050227055553. The reversal of 665050227055512 is 215550722050566.

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 7 ways as a sum of consecutive naturals, for example, 807048588 + ... + 807872219.

It is an arithmetic number, because the mean of its divisors is an integer number (51960076997400).

Almost surely, 2^{665050227055512} is an apocalyptic number.

It is an amenable number.

665050227055512 is an abundant number, since it is smaller than the sum of its proper divisors (997672236861288).

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

665050227055512 is a wasteful number, since it uses less digits than its factorization.

665050227055512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614937975 (or 1614937971 counting only the distinct ones).

The product of its (nonzero) digits is 6300000, while the sum is 51.

The spelling of 665050227055512 in words is "six hundred sixty-five trillion, fifty billion, two hundred twenty-seven million, fifty-five thousand, five hundred twelve".