16642994304 has 256 divisors, whose sum is σ = 48223641600. Its totient is φ = 5070151680.

The previous prime is 16642994293. The next prime is 16642994323. The reversal of 16642994304 is 40349924661.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24367147 + ... + 24367829.

It is an arithmetic number, because the mean of its divisors is an integer number (188373600).

Almost surely, 2^16642994304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16642994304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24111820800).

16642994304 is an abundant number, since it is smaller than the sum of its proper divisors (31580647296).

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

16642994304 is a wasteful number, since it uses less digits than its factorization.

16642994304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 16642994304 in words is "sixteen billion, six hundred forty-two million, nine hundred ninety-four thousand, three hundred four".