13316917248 has 72 divisors (see below), whose sum is σ = 38461755150. Its totient is φ = 4438966272.

The previous prime is 13316917213. The next prime is 13316917249. The reversal of 13316917248 is 84271961331.

13316917248 is a `hidden beast` number, since 1 + 3 + 316 + 91 + 7 + 248 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8091362304 + 5225554944 = 89952^2 + 72288^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (13316917249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342813 + ... + 379676.

Almost surely, 2^13316917248 is an apocalyptic number.

13316917248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13316917248 is an abundant number, since it is smaller than the sum of its proper divisors (25144837902).

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

13316917248 is an equidigital number, since it uses as much as digits as its factorization.

13316917248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722517 (or 722494 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 13316917248 in words is "thirteen billion, three hundred sixteen million, nine hundred seventeen thousand, two hundred forty-eight".