766583616664 has 16 divisors (see below), whose sum is σ = 1486907877600. Its totient is φ = 370074849312.

The previous prime is 766583616647. The next prime is 766583616677. The reversal of 766583616664 is 466616385667.

It is a junction number, because it is equal to n+sod(n) for n = 766583616596 and 766583616605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652119632 + ... + 1652120095.

It is an arithmetic number, because the mean of its divisors is an integer number (92931742350).

Almost surely, 2^766583616664 is an apocalyptic number.

It is an amenable number.

766583616664 is a deficient number, since it is larger than the sum of its proper divisors (720324260936).

766583616664 is a wasteful number, since it uses less digits than its factorization.

766583616664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304239762 (or 3304239758 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 64.

The spelling of 766583616664 in words is "seven hundred sixty-six billion, five hundred eighty-three million, six hundred sixteen thousand, six hundred sixty-four".