13663601316 has 72 divisors (see below), whose sum is σ = 36352519840. Its totient is φ = 4486534272.

The previous prime is 13663601311. The next prime is 13663601321. The reversal of 13663601316 is 61310636631.

13663601316 is a `hidden beast` number, since 1 + 3 + 6 + 636 + 0 + 1 + 3 + 16 = 666.

It is an interprime number because it is at equal distance from previous prime (13663601311) and next prime (13663601321).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13663601311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39781 + ... + 170028.

Almost surely, 2^13663601316 is an apocalyptic number.

It is an amenable number.

13663601316 is an abundant number, since it is smaller than the sum of its proper divisors (22688918524).

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

13663601316 is a wasteful number, since it uses less digits than its factorization.

13663601316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209895 (or 209881 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 13663601316 in words is "thirteen billion, six hundred sixty-three million, six hundred one thousand, three hundred sixteen".