16880666192988 has 48 divisors (see below), whose sum is σ = 42419744672256. Its totient is φ = 5193847823040.

The previous prime is 16880666192987. The next prime is 16880666192989. The reversal of 16880666192988 is 88929166608861.

It is an interprime number because it is at equal distance from previous prime (16880666192987) and next prime (16880666192989).

It is a super-2 number, since 2×16880666192988² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16880666192987) 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 15 ways as a sum of consecutive naturals, for example, 1904673 + ... + 6114663.

It is an arithmetic number, because the mean of its divisors is an integer number (883744680672).

Almost surely, 2^{16880666192988} is an apocalyptic number.

It is an amenable number.

16880666192988 is an abundant number, since it is smaller than the sum of its proper divisors (25539078479268).

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

16880666192988 is a wasteful number, since it uses less digits than its factorization.

16880666192988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235714 (or 4235712 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 78.

The spelling of 16880666192988 in words is "sixteen trillion, eight hundred eighty billion, six hundred sixty-six million, one hundred ninety-two thousand, nine hundred eighty-eight".