13564198568 has 16 divisors (see below), whose sum is σ = 25434451680. Its totient is φ = 6781678128.

The previous prime is 13564198517. The next prime is 13564198573. The reversal of 13564198568 is 86589146531.

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, 116021 + ... + 201467.

It is an arithmetic number, because the mean of its divisors is an integer number (1589653230).

Almost surely, 2^13564198568 is an apocalyptic number.

It is an amenable number.

13564198568 is a deficient number, since it is larger than the sum of its proper divisors (11870253112).

13564198568 is a wasteful number, since it uses less digits than its factorization.

13564198568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105296 (or 105292 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 56.

The spelling of 13564198568 in words is "thirteen billion, five hundred sixty-four million, one hundred ninety-eight thousand, five hundred sixty-eight".