766610916 has 24 divisors (see below), whose sum is σ = 1805479200. Its totient is φ = 253148352.

The previous prime is 766610863. The next prime is 766610939. The reversal of 766610916 is 619016667.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297241 + ... + 299808.

It is an arithmetic number, because the mean of its divisors is an integer number (75228300).

Almost surely, 2^766610916 is an apocalyptic number.

It is an amenable number.

766610916 is an abundant number, since it is smaller than the sum of its proper divisors (1038868284).

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

766610916 is a wasteful number, since it uses less digits than its factorization.

766610916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597163 (or 597161 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 766610916 is about 27687.7394526892. The cubic root of 766610916 is about 915.2189413069.

The spelling of 766610916 in words is "seven hundred sixty-six million, six hundred ten thousand, nine hundred sixteen".