13318982658 has 32 divisors (see below), whose sum is σ = 30082955520. Its totient is φ = 4366878480.

The previous prime is 13318982657. The next prime is 13318982681. The reversal of 13318982658 is 85628981331.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (13318982657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018410 + ... + 2024997.

It is an arithmetic number, because the mean of its divisors is an integer number (940092360).

Almost surely, 2^13318982658 is an apocalyptic number.

13318982658 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13318982658 is an abundant number, since it is smaller than the sum of its proper divisors (16763972862).

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

13318982658 is a wasteful number, since it uses less digits than its factorization.

13318982658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043479 (or 4043473 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 13318982658 in words is "thirteen billion, three hundred eighteen million, nine hundred eighty-two thousand, six hundred fifty-eight".