665708602476 has 48 divisors (see below), whose sum is σ = 1572190316928. Its totient is φ = 219207648000.

The previous prime is 665708602337. The next prime is 665708602487. The reversal of 665708602476 is 674206807566.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12374356 + ... + 12428036.

It is an arithmetic number, because the mean of its divisors is an integer number (32753964936).

Almost surely, 2^665708602476 is an apocalyptic number.

It is an amenable number.

665708602476 is an abundant number, since it is smaller than the sum of its proper divisors (906481714452).

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

665708602476 is a wasteful number, since it uses less digits than its factorization.

665708602476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66222 (or 66220 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 665708602476 in words is "six hundred sixty-five billion, seven hundred eight million, six hundred two thousand, four hundred seventy-six".