766337660766 has 12 divisors (see below), whose sum is σ = 1660398265032. Its totient is φ = 255445886916.

The previous prime is 766337660741. The next prime is 766337660779. The reversal of 766337660766 is 667066733667.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21287157226 + ... + 21287157261.

It is an arithmetic number, because the mean of its divisors is an integer number (138366522086).

Almost surely, 2^766337660766 is an apocalyptic number.

766337660766 is an abundant number, since it is smaller than the sum of its proper divisors (894060604266).

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

766337660766 is a wasteful number, since it uses less digits than its factorization.

766337660766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42574314495 (or 42574314492 counting only the distinct ones).

The product of its (nonzero) digits is 144027072, while the sum is 63.

The spelling of 766337660766 in words is "seven hundred sixty-six billion, three hundred thirty-seven million, six hundred sixty thousand, seven hundred sixty-six".