766761526660 has 24 divisors (see below), whose sum is σ = 1620455258520. Its totient is φ = 304751076864.

The previous prime is 766761526651. The next prime is 766761526693. The reversal of 766761526660 is 66625167667.

It can be written as a sum of positive squares in 4 ways, for example, as 166719744 + 766594806916 = 12912^2 + 875554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 766761526595 and 766761526604.

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, 122092645 + ... + 122098924.

It is an arithmetic number, because the mean of its divisors is an integer number (67518969105).

Almost surely, 2^766761526660 is an apocalyptic number.

It is an amenable number.

766761526660 is an abundant number, since it is smaller than the sum of its proper divisors (853693731860).

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

766761526660 is a wasteful number, since it uses less digits than its factorization.

766761526660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244191735 (or 244191733 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 766761526660 in words is "seven hundred sixty-six billion, seven hundred sixty-one million, five hundred twenty-six thousand, six hundred sixty".