16206840722 has 6 divisors (see below), whose sum is σ = 24310531143. Its totient is φ = 8103330342.

The previous prime is 16206840649. The next prime is 16206840731. The reversal of 16206840722 is 22704860261.

It can be written as a sum of positive squares in only one way, i.e., 8103420361 + 8103420361 = 90019^2 + 90019^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=90019.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 135029 + ... + 225047.

Almost surely, 2^16206840722 is an apocalyptic number.

16206840722 is a deficient number, since it is larger than the sum of its proper divisors (8103690421).

16206840722 is an frugal number, since it uses more digits than its factorization.

16206840722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180040 (or 90021 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 16206840722 in words is "sixteen billion, two hundred six million, eight hundred forty thousand, seven hundred twenty-two".