764053645668 has 96 divisors (see below), whose sum is σ = 1885680800640. Its totient is φ = 240116659200.

The previous prime is 764053645651. The next prime is 764053645699. The reversal of 764053645668 is 866546350467.

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 31 ways as a sum of consecutive naturals, for example, 175360146 + ... + 175364502.

It is an arithmetic number, because the mean of its divisors is an integer number (19642508340).

Almost surely, 2^764053645668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764053645668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942840400320).

764053645668 is an abundant number, since it is smaller than the sum of its proper divisors (1121627154972).

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

764053645668 is a wasteful number, since it uses less digits than its factorization.

764053645668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 60.

The spelling of 764053645668 in words is "seven hundred sixty-four billion, fifty-three million, six hundred forty-five thousand, six hundred sixty-eight".