18327011817244 has 24 divisors (see below), whose sum is σ = 34746191006688. Its totient is φ = 8407970410560.

The previous prime is 18327011817217. The next prime is 18327011817263. The reversal of 18327011817244 is 44271811072381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055208487 + ... + 1055225854.

It is an arithmetic number, because the mean of its divisors is an integer number (1447757958612).

Almost surely, 2^{18327011817244} is an apocalyptic number.

It is an amenable number.

18327011817244 is a deficient number, since it is larger than the sum of its proper divisors (16419179189444).

18327011817244 is a wasteful number, since it uses less digits than its factorization.

18327011817244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110434525 (or 2110434523 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 49.

The spelling of 18327011817244 in words is "eighteen trillion, three hundred twenty-seven billion, eleven million, eight hundred seventeen thousand, two hundred forty-four".