16523442100 has 72 divisors (see below), whose sum is σ = 39756892896. Its totient is φ = 5910000000.

The previous prime is 16523442097. The next prime is 16523442139. The reversal of 16523442100 is 124432561.

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, 56026 + ... + 190225.

It is an arithmetic number, because the mean of its divisors is an integer number (552179068).

Almost surely, 2^16523442100 is an apocalyptic number.

16523442100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16523442100 is an abundant number, since it is smaller than the sum of its proper divisors (23233450796).

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

16523442100 is a wasteful number, since it uses less digits than its factorization.

16523442100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246337 (or 246330 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 16523442100 its reverse (124432561), we get a palindrome (16647874661).

The spelling of 16523442100 in words is "sixteen billion, five hundred twenty-three million, four hundred forty-two thousand, one hundred".