766061304424544 has 48 divisors (see below), whose sum is σ = 1596924746863488. Its totient is φ = 360493817260032.

The previous prime is 766061304424543. The next prime is 766061304424589. The reversal of 766061304424544 is 445424403160667.

It is a self number, because there is not a number n which added to its sum of digits gives 766061304424544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766061304424543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24052529 + ... + 45941775.

It is an arithmetic number, because the mean of its divisors is an integer number (33269265559656).

Almost surely, 2^{766061304424544} is an apocalyptic number.

It is an amenable number.

766061304424544 is an abundant number, since it is smaller than the sum of its proper divisors (830863442438944).

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

766061304424544 is a wasteful number, since it uses less digits than its factorization.

766061304424544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21953607 (or 21953599 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 56.

The spelling of 766061304424544 in words is "seven hundred sixty-six trillion, sixty-one billion, three hundred four million, four hundred twenty-four thousand, five hundred forty-four".