766666307604 has 48 divisors (see below), whose sum is σ = 1790259609600. Its totient is φ = 255359596896.

The previous prime is 766666307593. The next prime is 766666307657. The reversal of 766666307604 is 406703666667.

It is a super-2 number, since 2×766666307604² (a number of 25 digits) contains 22 as substring.

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, 150708349 + ... + 150713435.

It is an arithmetic number, because the mean of its divisors is an integer number (37297075200).

Almost surely, 2^766666307604 is an apocalyptic number.

It is an amenable number.

766666307604 is an abundant number, since it is smaller than the sum of its proper divisors (1023593301996).

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

766666307604 is a wasteful number, since it uses less digits than its factorization.

766666307604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12252 (or 12250 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 57.

The spelling of 766666307604 in words is "seven hundred sixty-six billion, six hundred sixty-six million, three hundred seven thousand, six hundred four".