16890102918 has 48 divisors (see below), whose sum is σ = 40769230320. Its totient is φ = 5017747392.

The previous prime is 16890102863. The next prime is 16890102919. The reversal of 16890102918 is 81920109861.

It is a super-2 number, since 2×16890102918² (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 (16890102919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1237696 + ... + 1251267.

It is an arithmetic number, because the mean of its divisors is an integer number (849358965).

Almost surely, 2^16890102918 is an apocalyptic number.

16890102918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16890102918 is an abundant number, since it is smaller than the sum of its proper divisors (23879127402).

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

16890102918 is a wasteful number, since it uses less digits than its factorization.

16890102918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489013 (or 2489010 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The spelling of 16890102918 in words is "sixteen billion, eight hundred ninety million, one hundred two thousand, nine hundred eighteen".