664017076413 has 12 divisors (see below), whose sum is σ = 981441260800. Its totient is φ = 432383212296.

The previous prime is 664017076381. The next prime is 664017076451. The reversal of 664017076413 is 314670710466.

664017076413 is a `hidden beast` number, since 6 + 64 + 0 + 170 + 7 + 6 + 413 = 666.

It is not a de Polignac number, because 664017076413 - 2⁵ = 664017076381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664017066413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857902813 + ... + 857903586.

Almost surely, 2^664017076413 is an apocalyptic number.

It is an amenable number.

664017076413 is a deficient number, since it is larger than the sum of its proper divisors (317424184387).

664017076413 is a wasteful number, since it uses less digits than its factorization.

664017076413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715806448 (or 1715806445 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

Adding to 664017076413 its reverse (314670710466), we get a palindrome (978687786879).

The spelling of 664017076413 in words is "six hundred sixty-four billion, seventeen million, seventy-six thousand, four hundred thirteen".