766605516 has 48 divisors (see below), whose sum is σ = 1855037184. Its totient is φ = 246200256.

The previous prime is 766605473. The next prime is 766605569. The reversal of 766605516 is 615506667.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 37351 + ... + 54113.

It is an arithmetic number, because the mean of its divisors is an integer number (38646608).

Almost surely, 2^766605516 is an apocalyptic number.

It is an amenable number.

766605516 is an abundant number, since it is smaller than the sum of its proper divisors (1088431668).

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

766605516 is a wasteful number, since it uses less digits than its factorization.

766605516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16910 (or 16908 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 766605516 is about 27687.6419364308. The cubic root of 766605516 is about 915.2167923707.

The spelling of 766605516 in words is "seven hundred sixty-six million, six hundred five thousand, five hundred sixteen".