13645401164415 has 48 divisors (see below), whose sum is σ = 24506393296320. Its totient is φ = 7015461304320.

The previous prime is 13645401164387. The next prime is 13645401164429. The reversal of 13645401164415 is 51446110454631.

13645401164415 is a `hidden beast` number, since 1 + 3 + 6 + 4 + 540 + 1 + 1 + 64 + 41 + 5 = 666.

It is not a de Polignac number, because 13645401164415 - 2⁷ = 13645401164287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7462002 + ... + 9108911.

It is an arithmetic number, because the mean of its divisors is an integer number (510549860340).

Almost surely, 2^{13645401164415} is an apocalyptic number.

13645401164415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13645401164415 is a deficient number, since it is larger than the sum of its proper divisors (10860992131905).

13645401164415 is a wasteful number, since it uses less digits than its factorization.

13645401164415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16571584 (or 16571581 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 13645401164415 in words is "thirteen trillion, six hundred forty-five billion, four hundred one million, one hundred sixty-four thousand, four hundred fifteen".