16574539164 has 48 divisors (see below), whose sum is σ = 40966829568. Its totient is φ = 5197573888.

The previous prime is 16574539159. The next prime is 16574539183. The reversal of 16574539164 is 46193547561.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent 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, 482587 + ... + 515789.

It is an arithmetic number, because the mean of its divisors is an integer number (853475616).

Almost surely, 2^16574539164 is an apocalyptic number.

It is an amenable number.

16574539164 is an abundant number, since it is smaller than the sum of its proper divisors (24392290404).

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

16574539164 is a wasteful number, since it uses less digits than its factorization.

16574539164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35674 (or 35672 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The spelling of 16574539164 in words is "sixteen billion, five hundred seventy-four million, five hundred thirty-nine thousand, one hundred sixty-four".