16413544356 has 48 divisors (see below), whose sum is σ = 42668881920. Its totient is φ = 4867973920.

The previous prime is 16413544331. The next prime is 16413544361. The reversal of 16413544356 is 65344531461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316616 + ... + 1329023.

It is an arithmetic number, because the mean of its divisors is an integer number (888935040).

Almost surely, 2^16413544356 is an apocalyptic number.

It is an amenable number.

16413544356 is an abundant number, since it is smaller than the sum of its proper divisors (26255337564).

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

16413544356 is a wasteful number, since it uses less digits than its factorization.

16413544356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645704 (or 2645702 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The spelling of 16413544356 in words is "sixteen billion, four hundred thirteen million, five hundred forty-four thousand, three hundred fifty-six".