16908073722 has 24 divisors (see below), whose sum is σ = 37527677460. Its totient is φ = 5498560320.

The previous prime is 16908073691. The next prime is 16908073729. The reversal of 16908073722 is 22737080961.

It can be written as a sum of positive squares in 2 ways, for example, as 15734942721 + 1173131001 = 125439^2 + 34251^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (16908073729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11454597 + ... + 11456072.

Almost surely, 2^16908073722 is an apocalyptic number.

16908073722 is an abundant number, since it is smaller than the sum of its proper divisors (20619603738).

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

16908073722 is a wasteful number, since it uses less digits than its factorization.

16908073722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22910718 (or 22910715 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 16908073722 in words is "sixteen billion, nine hundred eight million, seventy-three thousand, seven hundred twenty-two".