664412536760 has 32 divisors (see below), whose sum is σ = 1708489380960. Its totient is φ = 227798583936.

The previous prime is 664412536721. The next prime is 664412536769. The reversal of 664412536760 is 67635214466.

It is a junction number, because it is equal to n+sod(n) for n = 664412536699 and 664412536708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664412536769) 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, 1186450679 + ... + 1186451238.

It is an arithmetic number, because the mean of its divisors is an integer number (53390293155).

Almost surely, 2^664412536760 is an apocalyptic number.

It is an amenable number.

664412536760 is an abundant number, since it is smaller than the sum of its proper divisors (1044076844200).

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

664412536760 is a wasteful number, since it uses less digits than its factorization.

664412536760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372901935 (or 2372901931 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 664412536760 in words is "six hundred sixty-four billion, four hundred twelve million, five hundred thirty-six thousand, seven hundred sixty".