13645165416 has 32 divisors (see below), whose sum is σ = 34145496000. Its totient is φ = 4544044160.

The previous prime is 13645165411. The next prime is 13645165423. The reversal of 13645165416 is 61456154631.

It is not an unprimeable number, because it can be changed into a prime (13645165411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245820 + ... + 296171.

It is an arithmetic number, because the mean of its divisors is an integer number (1067046750).

Almost surely, 2^13645165416 is an apocalyptic number.

It is an amenable number.

13645165416 is an abundant number, since it is smaller than the sum of its proper divisors (20500330584).

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

13645165416 is a wasteful number, since it uses less digits than its factorization.

13645165416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543049 (or 543045 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 13645165416 in words is "thirteen billion, six hundred forty-five million, one hundred sixty-five thousand, four hundred sixteen".