669082957974 has 48 divisors (see below), whose sum is σ = 1458266829552. Its totient is φ = 221709675264.

The previous prime is 669082957967. The next prime is 669082957979. The reversal of 669082957974 is 479759280966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669082957979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2458417 + ... + 2716979.

It is an arithmetic number, because the mean of its divisors is an integer number (30380558949).

Almost surely, 2^669082957974 is an apocalyptic number.

669082957974 is an abundant number, since it is smaller than the sum of its proper divisors (789183871578).

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

669082957974 is a wasteful number, since it uses less digits than its factorization.

669082957974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259421 (or 259418 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 72.

The spelling of 669082957974 in words is "six hundred sixty-nine billion, eighty-two million, nine hundred fifty-seven thousand, nine hundred seventy-four".