13966145216 has 28 divisors (see below), whose sum is σ = 27720005520. Its totient is φ = 6981576960.

The previous prime is 13966145209. The next prime is 13966145239. The reversal of 13966145216 is 61254166931.

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, 315965 + ... + 357443.

Almost surely, 2^13966145216 is an apocalyptic number.

13966145216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13966145216 is a deficient number, since it is larger than the sum of its proper divisors (13753860304).

13966145216 is an equidigital number, since it uses as much as digits as its factorization.

13966145216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46752 (or 46742 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The spelling of 13966145216 in words is "thirteen billion, nine hundred sixty-six million, one hundred forty-five thousand, two hundred sixteen".