16506887088 has 20 divisors (see below), whose sum is σ = 42642791768. Its totient is φ = 5502295680.

The previous prime is 16506887077. The next prime is 16506887113. The reversal of 16506887088 is 88078860561.

It is a super-2 number, since 2×16506887088² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171946693 + ... + 171946788.

Almost surely, 2^16506887088 is an apocalyptic number.

It is an amenable number.

16506887088 is an abundant number, since it is smaller than the sum of its proper divisors (26135904680).

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

16506887088 is a wasteful number, since it uses less digits than its factorization.

16506887088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343893492 (or 343893486 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 16506887088 in words is "sixteen billion, five hundred six million, eight hundred eighty-seven thousand, eighty-eight".