16722652288 has 32 divisors (see below), whose sum is σ = 34127222220. Its totient is φ = 8157388800.

The previous prime is 16722652279. The next prime is 16722652319. The reversal of 16722652288 is 88225622761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16550307904 + 172344384 = 128648^2 + 13128^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587993 + ... + 1598488.

Almost surely, 2^16722652288 is an apocalyptic number.

It is an amenable number.

16722652288 is an abundant number, since it is smaller than the sum of its proper divisors (17404569932).

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

16722652288 is an equidigital number, since it uses as much as digits as its factorization.

16722652288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3186536 (or 3186524 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 16722652288 in words is "sixteen billion, seven hundred twenty-two million, six hundred fifty-two thousand, two hundred eighty-eight".