13668013815498 has 192 divisors, whose sum is σ = 34474216937472. Its totient is φ = 3833015921280.

The previous prime is 13668013815487. The next prime is 13668013815517. The reversal of 13668013815498 is 89451831086631.

13668013815498 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 8 + 0 + 1 + 3 + 81 + 549 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4083659461 + ... + 4083662807.

It is an arithmetic number, because the mean of its divisors is an integer number (179553213216).

Almost surely, 2^{13668013815498} is an apocalyptic number.

13668013815498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13668013815498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17237108468736).

13668013815498 is an abundant number, since it is smaller than the sum of its proper divisors (20806203121974).

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

13668013815498 is a wasteful number, since it uses less digits than its factorization.

13668013815498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329 (or 5326 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 13668013815498 in words is "thirteen trillion, six hundred sixty-eight billion, thirteen million, eight hundred fifteen thousand, four hundred ninety-eight".