6618234918 has 16 divisors (see below), whose sum is σ = 13594212720. Its totient is φ = 2146454496.

The previous prime is 6618234911. The next prime is 6618234943. The reversal of 6618234918 is 8194328166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6618234911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14905713 + ... + 14906156.

It is an arithmetic number, because the mean of its divisors is an integer number (849638295).

Almost surely, 2^6618234918 is an apocalyptic number.

6618234918 is an abundant number, since it is smaller than the sum of its proper divisors (6975977802).

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

6618234918 is a wasteful number, since it uses less digits than its factorization.

6618234918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29811911.

The product of its digits is 497664, while the sum is 48.

The square root of 6618234918 is about 81352.5347976325. The cubic root of 6618234918 is about 1877.5033743260.

The spelling of 6618234918 in words is "six billion, six hundred eighteen million, two hundred thirty-four thousand, nine hundred eighteen".