18376411218 has 32 divisors (see below), whose sum is σ = 40246474752. Its totient is φ = 5547430800.

The previous prime is 18376411217. The next prime is 18376411321. The reversal of 18376411218 is 81211467381.

It is a self number, because there is not a number n which added to its sum of digits gives 18376411218.

It is not an unprimeable number, because it can be changed into a prime (18376411213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511978 + ... + 546693.

It is an arithmetic number, because the mean of its divisors is an integer number (1257702336).

Almost surely, 2^18376411218 is an apocalyptic number.

18376411218 is an abundant number, since it is smaller than the sum of its proper divisors (21870063534).

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

18376411218 is a wasteful number, since it uses less digits than its factorization.

18376411218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058950.

The product of its digits is 64512, while the sum is 42.

Adding to 18376411218 its reverse (81211467381), we get a palindrome (99587878599).

The spelling of 18376411218 in words is "eighteen billion, three hundred seventy-six million, four hundred eleven thousand, two hundred eighteen".