16016809688 has 24 divisors (see below), whose sum is σ = 33009852540. Its totient is φ = 7280367600.

The previous prime is 16016809681. The next prime is 16016809693. The reversal of 16016809688 is 88690861061.

It is a happy number.

It is a super-2 number, since 2×16016809688² (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 (16016809681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8272178 + ... + 8274113.

Almost surely, 2^16016809688 is an apocalyptic number.

It is an amenable number.

16016809688 is an abundant number, since it is smaller than the sum of its proper divisors (16993042852).

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

16016809688 is a wasteful number, since it uses less digits than its factorization.

16016809688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16546319 (or 16546304 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 16016809688 in words is "sixteen billion, sixteen million, eight hundred nine thousand, six hundred eighty-eight".