18246152664 has 112 divisors (see below), whose sum is σ = 51766228800. Its totient is φ = 6026042304.

The previous prime is 18246152663. The next prime is 18246152669. The reversal of 18246152664 is 46625164281.

It is a happy number.

18246152664 is a `hidden beast` number, since 1 + 8 + 2 + 4 + 61 + 526 + 64 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18246152663) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 621337 + ... + 650039.

Almost surely, 2^18246152664 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 18246152664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25883114400).

18246152664 is an abundant number, since it is smaller than the sum of its proper divisors (33520076136).

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

18246152664 is a wasteful number, since it uses less digits than its factorization.

18246152664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28836 (or 28817 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 18246152664 in words is "eighteen billion, two hundred forty-six million, one hundred fifty-two thousand, six hundred sixty-four".