16682649700 has 18 divisors (see below), whose sum is σ = 36201350066. Its totient is φ = 6673059840.

The previous prime is 16682649689. The next prime is 16682649713. The reversal of 16682649700 is 794628661.

It can be written as a sum of positive squares in 3 ways, for example, as 3728567844 + 12954081856 = 61062^2 + 113816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83413149 + ... + 83413348.

Almost surely, 2^16682649700 is an apocalyptic number.

16682649700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16682649700 is an abundant number, since it is smaller than the sum of its proper divisors (19518700366).

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

16682649700 is a wasteful number, since it uses less digits than its factorization.

16682649700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166826511 (or 166826504 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 16682649700 in words is "sixteen billion, six hundred eighty-two million, six hundred forty-nine thousand, seven hundred".