16881943000 has 64 divisors (see below), whose sum is σ = 42542529120. Its totient is φ = 6233328000.

The previous prime is 16881942971. The next prime is 16881943021. The reversal of 16881943000 is 34918861.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636306 + ... + 662305.

Almost surely, 2^16881943000 is an apocalyptic number.

16881943000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16881943000 is an abundant number, since it is smaller than the sum of its proper divisors (25660586120).

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

16881943000 is a wasteful number, since it uses less digits than its factorization.

16881943000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298645 (or 1298631 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 16881943000 in words is "sixteen billion, eight hundred eighty-one million, nine hundred forty-three thousand".