669730336700 has 36 divisors (see below), whose sum is σ = 1453399867080. Its totient is φ = 267876459840.

The previous prime is 669730336643. The next prime is 669730336727. The reversal of 669730336700 is 7633037966.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1603919 + ... + 1977881.

It is an arithmetic number, because the mean of its divisors is an integer number (40372218530).

Almost surely, 2^669730336700 is an apocalyptic number.

It is an amenable number.

669730336700 is an abundant number, since it is smaller than the sum of its proper divisors (783669530380).

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

669730336700 is a wasteful number, since it uses less digits than its factorization.

669730336700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391886 (or 391879 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 50.

The spelling of 669730336700 in words is "six hundred sixty-nine billion, seven hundred thirty million, three hundred thirty-six thousand, seven hundred".