16500610100 has 36 divisors (see below), whose sum is σ = 38560659564. Its totient is φ = 6092532480.

The previous prime is 16500610081. The next prime is 16500610109. The reversal of 16500610100 is 101600561.

It is a happy number.

16500610100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1410453136 + 15090156964 = 37556^2 + 122842^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500610109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6345089 + ... + 6347688.

Almost surely, 2^16500610100 is an apocalyptic number.

16500610100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16500610100 is an abundant number, since it is smaller than the sum of its proper divisors (22060049464).

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

16500610100 is a wasteful number, since it uses less digits than its factorization.

16500610100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12692804 (or 12692797 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The spelling of 16500610100 in words is "sixteen billion, five hundred million, six hundred ten thousand, one hundred".