13566574272 has 56 divisors (see below), whose sum is σ = 35906100400. Its totient is φ = 4520779776.

The previous prime is 13566574249. The next prime is 13566574297. The reversal of 13566574272 is 27247566531.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737604 + ... + 755772.

Almost surely, 2^13566574272 is an apocalyptic number.

13566574272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13566574272 is an abundant number, since it is smaller than the sum of its proper divisors (22339526128).

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

13566574272 is a wasteful number, since it uses less digits than its factorization.

13566574272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22073 (or 22063 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 48.

The spelling of 13566574272 in words is "thirteen billion, five hundred sixty-six million, five hundred seventy-four thousand, two hundred seventy-two".