18568423273036 has 96 divisors (see below), whose sum is σ = 40313720143872. Its totient is φ = 7286954088960.

The previous prime is 18568423272979. The next prime is 18568423273073. The reversal of 18568423273036 is 63037232486581.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427910901 + ... + 427954291.

It is an arithmetic number, because the mean of its divisors is an integer number (419934584832).

Almost surely, 2^{18568423273036} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18568423273036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20156860071936).

18568423273036 is an abundant number, since it is smaller than the sum of its proper divisors (21745296870836).

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

18568423273036 is a wasteful number, since it uses less digits than its factorization.

18568423273036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52799 (or 52797 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 18568423273036 in words is "eighteen trillion, five hundred sixty-eight billion, four hundred twenty-three million, two hundred seventy-three thousand, thirty-six".