16890859000 has 32 divisors (see below), whose sum is σ = 39524612400. Its totient is φ = 6756343200.

The previous prime is 16890858983. The next prime is 16890859057. The reversal of 16890859000 is 95809861.

It is a super-2 number, since 2×16890859000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 8444430 + ... + 8446429.

Almost surely, 2^16890859000 is an apocalyptic number.

16890859000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16890859000 is an abundant number, since it is smaller than the sum of its proper divisors (22633753400).

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

16890859000 is a wasteful number, since it uses less digits than its factorization.

16890859000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890880 (or 16890866 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 16890859000 in words is "sixteen billion, eight hundred ninety million, eight hundred fifty-nine thousand".