16631232200 has 108 divisors (see below), whose sum is σ = 42553750995. Its totient is φ = 6040425600.

The previous prime is 16631232193. The next prime is 16631232217. The reversal of 16631232200 is 223213661.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 7222620196 + 9408612004 = 84986^2 + 96998^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=91190.

It is a self number, because there is not a number n which added to its sum of digits gives 16631232200.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 20061386 + ... + 20062214.

Almost surely, 2^16631232200 is an apocalyptic number.

16631232200 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 16631232200

16631232200 is an abundant number, since it is smaller than the sum of its proper divisors (25922518795).

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

16631232200 is an equidigital number, since it uses as much as digits as its factorization.

16631232200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Multiplying 16631232200 by its product of nonzero digits (2592), we get a square (43108153862400 = 6565680²).

Adding to 16631232200 its reverse (223213661), we get a palindrome (16854445861).

The spelling of 16631232200 in words is "sixteen billion, six hundred thirty-one million, two hundred thirty-two thousand, two hundred".