665935371092652 has 24 divisors (see below), whose sum is σ = 1635630736017600. Its totient is φ = 210295380344976.

The previous prime is 665935371092623. The next prime is 665935371092683. The reversal of 665935371092652 is 256290173539566.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460384585502 + ... + 1460384585957.

It is an arithmetic number, because the mean of its divisors is an integer number (68151280667400).

Almost surely, 2^{665935371092652} is an apocalyptic number.

It is an amenable number.

665935371092652 is an abundant number, since it is smaller than the sum of its proper divisors (969695364924948).

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

665935371092652 is a wasteful number, since it uses less digits than its factorization.

665935371092652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920769171485 (or 2920769171483 counting only the distinct ones).

The product of its (nonzero) digits is 551124000, while the sum is 69.

The spelling of 665935371092652 in words is "six hundred sixty-five trillion, nine hundred thirty-five billion, three hundred seventy-one million, ninety-two thousand, six hundred fifty-two".