766742616464 has 40 divisors (see below), whose sum is σ = 1623311830560. Its totient is φ = 347939424000.

The previous prime is 766742616439. The next prime is 766742616473. The reversal of 766742616464 is 464616247667.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3518594 + ... + 3730145.

It is an arithmetic number, because the mean of its divisors is an integer number (40582795764).

Almost surely, 2^766742616464 is an apocalyptic number.

It is an amenable number.

766742616464 is an abundant number, since it is smaller than the sum of its proper divisors (856569214096).

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

766742616464 is a wasteful number, since it uses less digits than its factorization.

766742616464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249359 (or 7249353 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 59.

The spelling of 766742616464 in words is "seven hundred sixty-six billion, seven hundred forty-two million, six hundred sixteen thousand, four hundred sixty-four".