18624064395264 has 96 divisors (see below), whose sum is σ = 49654482696000. Its totient is φ = 6207716892672.

The previous prime is 18624064395197. The next prime is 18624064395269. The reversal of 18624064395264 is 46259346042681.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 18624064395198 and 18624064395207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18624064395269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149722407 + ... + 149846745.

It is an arithmetic number, because the mean of its divisors is an integer number (517234194750).

Almost surely, 2^{18624064395264} is an apocalyptic number.

It is an amenable number.

18624064395264 is an abundant number, since it is smaller than the sum of its proper divisors (31030418300736).

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

18624064395264 is a wasteful number, since it uses less digits than its factorization.

18624064395264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148743 (or 148723 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 60.

The spelling of 18624064395264 in words is "eighteen trillion, six hundred twenty-four billion, sixty-four million, three hundred ninety-five thousand, two hundred sixty-four".