18680064596 has 12 divisors (see below), whose sum is σ = 32879074452. Its totient is φ = 9286043328.

The previous prime is 18680064581. The next prime is 18680064619. The reversal of 18680064596 is 69546008681.

It can be written as a sum of positive squares in 2 ways, for example, as 7019088400 + 11660976196 = 83780^2 + 107986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13496465 + ... + 13497848.

It is an arithmetic number, because the mean of its divisors is an integer number (2739922871).

Almost surely, 2^18680064596 is an apocalyptic number.

It is an amenable number.

18680064596 is a deficient number, since it is larger than the sum of its proper divisors (14199009856).

18680064596 is a wasteful number, since it uses less digits than its factorization.

18680064596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26994490 (or 26994488 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 18680064596 in words is "eighteen billion, six hundred eighty million, sixty-four thousand, five hundred ninety-six".