13992066056 has 8 divisors (see below), whose sum is σ = 26235123870. Its totient is φ = 6996033024.

The previous prime is 13992066041. The next prime is 13992066059. The reversal of 13992066056 is 65066029931.

It can be written as a sum of positive squares in only one way, i.e., 13039356100 + 952709956 = 114190^2 + 30866^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13992066056.

It is not an unprimeable number, because it can be changed into a prime (13992066059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874504121 + ... + 874504136.

Almost surely, 2^13992066056 is an apocalyptic number.

It is an amenable number.

13992066056 is a deficient number, since it is larger than the sum of its proper divisors (12243057814).

13992066056 is a wasteful number, since it uses less digits than its factorization.

13992066056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749008263 (or 1749008259 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 13992066056 in words is "thirteen billion, nine hundred ninety-two million, sixty-six thousand, fifty-six".