16880609140 has 12 divisors (see below), whose sum is σ = 35449279236. Its totient is φ = 6752243648.

The previous prime is 16880609131. The next prime is 16880609219. The reversal of 16880609140 is 4190608861.

It can be written as a sum of positive squares in 2 ways, for example, as 3551444836 + 13329164304 = 59594^2 + 115452^2 .

It is a congruent number.

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, 422015209 + ... + 422015248.

It is an arithmetic number, because the mean of its divisors is an integer number (2954106603).

Almost surely, 2^16880609140 is an apocalyptic number.

16880609140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16880609140 is an abundant number, since it is smaller than the sum of its proper divisors (18568670096).

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

16880609140 is a wasteful number, since it uses less digits than its factorization.

16880609140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844030466 (or 844030464 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 16880609140 in words is "sixteen billion, eight hundred eighty million, six hundred nine thousand, one hundred forty".