16709554100 has 72 divisors (see below), whose sum is σ = 37280744088. Its totient is φ = 6496819200.

The previous prime is 16709554087. The next prime is 16709554139. The reversal of 16709554100 is 145590761.

It can be written as a sum of positive squares in 12 ways, for example, as 9754327696 + 6955226404 = 98764^2 + 83398^2 .

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1128344 + ... + 1143056.

Almost surely, 2^16709554100 is an apocalyptic number.

16709554100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16709554100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18640372044).

16709554100 is an abundant number, since it is smaller than the sum of its proper divisors (20571189988).

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

16709554100 is a wasteful number, since it uses less digits than its factorization.

16709554100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15045 (or 15038 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 16709554100 in words is "sixteen billion, seven hundred nine million, five hundred fifty-four thousand, one hundred".