16523442124 has 12 divisors (see below), whose sum is σ = 33046884304. Its totient is φ = 7081475184.

The previous prime is 16523442097. The next prime is 16523442139. The reversal of 16523442124 is 42124432561.

16523442124 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 16523442124.

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 3 ways as a sum of consecutive naturals, for example, 295061439 + ... + 295061494.

Almost surely, 2^16523442124 is an apocalyptic number.

16523442124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16523442124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16523442124 is a wasteful number, since it uses less digits than its factorization.

16523442124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590122944 (or 590122942 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

Adding to 16523442124 its reverse (42124432561), we get a palindrome (58647874685).

The spelling of 16523442124 in words is "sixteen billion, five hundred twenty-three million, four hundred forty-two thousand, one hundred twenty-four".