6669786371960 has 64 divisors (see below), whose sum is σ = 15017523444000. Its totient is φ = 2666047899136.

The previous prime is 6669786371917. The next prime is 6669786371977. The reversal of 6669786371960 is 691736879666.

It is a congruent number.

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, 390197174 + ... + 390214266.

Almost surely, 2^{6669786371960} is an apocalyptic number.

It is an amenable number.

6669786371960 is an abundant number, since it is smaller than the sum of its proper divisors (8347737072040).

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

6669786371960 is a wasteful number, since it uses less digits than its factorization.

6669786371960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23360 (or 23356 counting only the distinct ones).

The product of its (nonzero) digits is 740710656, while the sum is 74.

The spelling of 6669786371960 in words is "six trillion, six hundred sixty-nine billion, seven hundred eighty-six million, three hundred seventy-one thousand, nine hundred sixty".