16624053125 has 12 divisors (see below), whose sum is σ = 20778740388. Its totient is φ = 13299240000.

The previous prime is 16624053107. The next prime is 16624053157. The reversal of 16624053125 is 52135042661.

It can be written as a sum of positive squares in 6 ways, for example, as 9990602209 + 6633450916 = 99953^2 + 81446^2 .

It is not a de Polignac number, because 16624053125 - 2¹⁰ = 16624052101 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 2656724 + ... + 2662973.

It is an arithmetic number, because the mean of its divisors is an integer number (1731561699).

Almost surely, 2^16624053125 is an apocalyptic number.

It is an amenable number.

16624053125 is a deficient number, since it is larger than the sum of its proper divisors (4154687263).

16624053125 is an frugal number, since it uses more digits than its factorization.

16624053125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5319722 (or 5319702 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 16624053125 its reverse (52135042661), we get a palindrome (68759095786).

The spelling of 16624053125 in words is "sixteen billion, six hundred twenty-four million, fifty-three thousand, one hundred twenty-five".