16992008072 has 32 divisors (see below), whose sum is σ = 34561258200. Its totient is φ = 7785214464.

The previous prime is 16992008051. The next prime is 16992008101. The reversal of 16992008072 is 27080029961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16234327396 + 757680676 = 127414^2 + 27526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582047 + ... + 610542.

Almost surely, 2^16992008072 is an apocalyptic number.

It is an amenable number.

16992008072 is an abundant number, since it is smaller than the sum of its proper divisors (17569250128).

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

16992008072 is a wasteful number, since it uses less digits than its factorization.

16992008072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192745 (or 1192741 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 16992008072 in words is "sixteen billion, nine hundred ninety-two million, eight thousand, seventy-two".