13552394666 has 32 divisors (see below), whose sum is σ = 21356222400. Its totient is φ = 6441240960.

The previous prime is 13552394591. The next prime is 13552394671. The reversal of 13552394666 is 66649325531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2618261 + ... + 2623431.

It is an arithmetic number, because the mean of its divisors is an integer number (667381950).

Almost surely, 2^13552394666 is an apocalyptic number.

13552394666 is a deficient number, since it is larger than the sum of its proper divisors (7803827734).

13552394666 is a wasteful number, since it uses less digits than its factorization.

13552394666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5894.

The product of its digits is 3499200, while the sum is 50.

The spelling of 13552394666 in words is "thirteen billion, five hundred fifty-two million, three hundred ninety-four thousand, six hundred sixty-six".