13698181056 has 56 divisors (see below), whose sum is σ = 41420694400. Its totient is φ = 3913765632.

The previous prime is 13698181031. The next prime is 13698181061. The reversal of 13698181056 is 65018189631.

It is a tau number, because it is divible by the number of its divisors (56).

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

It is a junction number, because it is equal to n+sod(n) for n = 13698180996 and 13698181014.

It is a congruent number.

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, 5094706 + ... + 5097393.

Almost surely, 2^13698181056 is an apocalyptic number.

13698181056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13698181056 is an abundant number, since it is smaller than the sum of its proper divisors (27722513344).

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

13698181056 is a wasteful number, since it uses less digits than its factorization.

13698181056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10192121 (or 10192111 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 13698181056 in words is "thirteen billion, six hundred ninety-eight million, one hundred eighty-one thousand, fifty-six".