766475438164 has 24 divisors (see below), whose sum is σ = 1354103412480. Its totient is φ = 379589995776.

The previous prime is 766475438101. The next prime is 766475438191. The reversal of 766475438164 is 461834574667.

766475438164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2353917 + ... + 2659675.

It is an arithmetic number, because the mean of its divisors is an integer number (56420975520).

Almost surely, 2^766475438164 is an apocalyptic number.

It is an amenable number.

766475438164 is a deficient number, since it is larger than the sum of its proper divisors (587627974316).

766475438164 is a wasteful number, since it uses less digits than its factorization.

766475438164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311727 (or 311725 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 61.

The spelling of 766475438164 in words is "seven hundred sixty-six billion, four hundred seventy-five million, four hundred thirty-eight thousand, one hundred sixty-four".