18253192914 has 128 divisors (see below), whose sum is σ = 44851104000. Its totient is φ = 5502150720.

The previous prime is 18253192913. The next prime is 18253192949. The reversal of 18253192914 is 41929135281.

18253192914 is a `hidden beast` number, since 1 + 82 + 531 + 9 + 29 + 14 = 666.

It is a super-2 number, since 2×18253192914² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18253192914.

It is not an unprimeable number, because it can be changed into a prime (18253192913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16458592 + ... + 16459700.

It is an arithmetic number, because the mean of its divisors is an integer number (350399250).

Almost surely, 2^18253192914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18253192914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22425552000).

18253192914 is an abundant number, since it is smaller than the sum of its proper divisors (26597911086).

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

18253192914 is a wasteful number, since it uses less digits than its factorization.

18253192914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1354 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The spelling of 18253192914 in words is "eighteen billion, two hundred fifty-three million, one hundred ninety-two thousand, nine hundred fourteen".