16422944733 has 24 divisors (see below), whose sum is σ = 25733301048. Its totient is φ = 10032648192.

The previous prime is 16422944723. The next prime is 16422944777. The reversal of 16422944733 is 33744922461.

It can be written as a sum of positive squares in 4 ways, for example, as 299532249 + 16123412484 = 17307^2 + 126978^2 .

It is not a de Polignac number, because 16422944733 - 2⁴ = 16422944717 is a prime.

It is a super-2 number, since 2×16422944733² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422944723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 496260 + ... + 528317.

It is an arithmetic number, because the mean of its divisors is an integer number (1072220877).

Almost surely, 2^16422944733 is an apocalyptic number.

16422944733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16422944733 is a deficient number, since it is larger than the sum of its proper divisors (9310356315).

16422944733 is a wasteful number, since it uses less digits than its factorization.

16422944733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024733 (or 1024730 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The spelling of 16422944733 in words is "sixteen billion, four hundred twenty-two million, nine hundred forty-four thousand, seven hundred thirty-three".