15396496663968 has 576 divisors, whose sum is σ = 53950483641600. Its totient is φ = 4315959438336.

The previous prime is 15396496663963. The next prime is 15396496663969. The reversal of 15396496663968 is 86936669469351.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (15396496663963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 141305446 + ... + 141414362.

It is an arithmetic number, because the mean of its divisors is an integer number (93664034100).

Almost surely, 2^{15396496663968} is an apocalyptic number.

15396496663968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15396496663968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26975241820800).

15396496663968 is an abundant number, since it is smaller than the sum of its proper divisors (38553986977632).

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

15396496663968 is an equidigital number, since it uses as much as digits as its factorization.

15396496663968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109016 (or 108982 counting only the distinct ones).

The product of its digits is 8162933760, while the sum is 81.

The spelling of 15396496663968 in words is "fifteen trillion, three hundred ninety-six billion, four hundred ninety-six million, six hundred sixty-three thousand, nine hundred sixty-eight".