16322638384 has 40 divisors (see below), whose sum is σ = 34370317520. Its totient is φ = 7464400128.

The previous prime is 16322638373. The next prime is 16322638391. The reversal of 16322638384 is 48383622361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337302 + ... + 382645.

It is an arithmetic number, because the mean of its divisors is an integer number (859257938).

Almost surely, 2^16322638384 is an apocalyptic number.

It is an amenable number.

16322638384 is an abundant number, since it is smaller than the sum of its proper divisors (18047679136).

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

16322638384 is a wasteful number, since it uses less digits than its factorization.

16322638384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720077 (or 720071 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The spelling of 16322638384 in words is "sixteen billion, three hundred twenty-two million, six hundred thirty-eight thousand, three hundred eighty-four".