766556118351 has 48 divisors (see below), whose sum is σ = 1155398083840. Its totient is φ = 489188160000.

The previous prime is 766556118343. The next prime is 766556118407. The reversal of 766556118351 is 153811655667.

766556118351 is a `hidden beast` number, since 7 + 6 + 6 + 556 + 1 + 1 + 83 + 5 + 1 = 666.

It is not a de Polignac number, because 766556118351 - 2³ = 766556118343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766556118301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18256041 + ... + 18297981.

Almost surely, 2^766556118351 is an apocalyptic number.

766556118351 is a deficient number, since it is larger than the sum of its proper divisors (388841965489).

766556118351 is a wasteful number, since it uses less digits than its factorization.

766556118351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42688 (or 42685 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The spelling of 766556118351 in words is "seven hundred sixty-six billion, five hundred fifty-six million, one hundred eighteen thousand, three hundred fifty-one".