16624544013 has 96 divisors (see below), whose sum is σ = 30418053120. Its totient is φ = 8498689920.

The previous prime is 16624543987. The next prime is 16624544021. The reversal of 16624544013 is 31044542661.

16624544013 is a `hidden beast` number, since 1 + 6 + 6 + 245 + 4 + 401 + 3 = 666.

It is not a de Polignac number, because 16624544013 - 2⁹ = 16624543501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16624544213) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22374520 + ... + 22375262.

It is an arithmetic number, because the mean of its divisors is an integer number (316854720).

Almost surely, 2^16624544013 is an apocalyptic number.

It is an amenable number.

16624544013 is a deficient number, since it is larger than the sum of its proper divisors (13793509107).

16624544013 is a wasteful number, since it uses less digits than its factorization.

16624544013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 16624544013 in words is "sixteen billion, six hundred twenty-four million, five hundred forty-four thousand, thirteen".