16880666188830 has 64 divisors (see below), whose sum is σ = 42558785164800. Its totient is φ = 4276895148416.

The previous prime is 16880666188769. The next prime is 16880666188831. The reversal of 16880666188830 is 3888166608861.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16880666188831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81993612 + ... + 82199231.

It is an arithmetic number, because the mean of its divisors is an integer number (664981018200).

Almost surely, 2^{16880666188830} is an apocalyptic number.

16880666188830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16880666188830 is an abundant number, since it is smaller than the sum of its proper divisors (25678118975970).

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

16880666188830 is a wasteful number, since it uses less digits than its factorization.

16880666188830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164193025.

The product of its (nonzero) digits is 127401984, while the sum is 69.

The spelling of 16880666188830 in words is "sixteen trillion, eight hundred eighty billion, six hundred sixty-six million, one hundred eighty-eight thousand, eight hundred thirty".