766255607616 has 56 divisors (see below), whose sum is σ = 2027451168864. Its totient is φ = 255410152960.

The previous prime is 766255607603. The next prime is 766255607653. The reversal of 766255607616 is 616706552667.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9217051 + ... + 9299813.

Almost surely, 2^766255607616 is an apocalyptic number.

It is an amenable number.

766255607616 is an abundant number, since it is smaller than the sum of its proper divisors (1261195561248).

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

766255607616 is a wasteful number, since it uses less digits than its factorization.

766255607616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130999 (or 130989 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 766255607616 in words is "seven hundred sixty-six billion, two hundred fifty-five million, six hundred seven thousand, six hundred sixteen".