16980696100 has 81 divisors (see below), whose sum is σ = 37536488787. Its totient is φ = 6667702080.

The previous prime is 16980696053. The next prime is 16980696107. The reversal of 16980696100 is 169608961.

The square root of 16980696100 is 130310.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2053721124 + 14926974976 = 45318^2 + 122176^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16980696107) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 108157222 + ... + 108157378.

Almost surely, 2^16980696100 is an apocalyptic number.

16980696100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16980696100 is the 130310-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16980696100

16980696100 is an abundant number, since it is smaller than the sum of its proper divisors (20555792687).

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

16980696100 is an equidigital number, since it uses as much as digits as its factorization.

16980696100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 16980696100 in words is "sixteen billion, nine hundred eighty million, six hundred ninety-six thousand, one hundred".