18716624252 has 12 divisors (see below), whose sum is σ = 32755710960. Its totient is φ = 9357849696.

The previous prime is 18716624239. The next prime is 18716624257. The reversal of 18716624252 is 25242661781.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18716624257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14768 + ... + 194039.

It is an arithmetic number, because the mean of its divisors is an integer number (2729642580).

Almost surely, 2^18716624252 is an apocalyptic number.

It is an amenable number.

18716624252 is a deficient number, since it is larger than the sum of its proper divisors (14039086708).

18716624252 is a wasteful number, since it uses less digits than its factorization.

18716624252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231220 (or 231218 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The spelling of 18716624252 in words is "eighteen billion, seven hundred sixteen million, six hundred twenty-four thousand, two hundred fifty-two".