16880997680 has 40 divisors (see below), whose sum is σ = 39595671072. Its totient is φ = 6692639744.

The previous prime is 16880997667. The next prime is 16880997713. The reversal of 16880997680 is 8679908861.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924644 + ... + 942723.

Almost surely, 2^16880997680 is an apocalyptic number.

16880997680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16880997680 is an abundant number, since it is smaller than the sum of its proper divisors (22714673392).

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

16880997680 is a wasteful number, since it uses less digits than its factorization.

16880997680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867493 (or 1867487 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 62.

The spelling of 16880997680 in words is "sixteen billion, eight hundred eighty million, nine hundred ninety-seven thousand, six hundred eighty".