3816117918 has 24 divisors (see below), whose sum is σ = 8534974656. Its totient is φ = 1231005600.

The previous prime is 3816117911. The next prime is 3816117941. The reversal of 3816117918 is 8197116183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816117911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3418903 + ... + 3420018.

It is an arithmetic number, because the mean of its divisors is an integer number (355623944).

Almost surely, 2^3816117918 is an apocalyptic number.

3816117918 is an abundant number, since it is smaller than the sum of its proper divisors (4718856738).

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

3816117918 is a wasteful number, since it uses less digits than its factorization.

3816117918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6838960 (or 6838957 counting only the distinct ones).

The product of its digits is 72576, while the sum is 45.

The square root of 3816117918 is about 61774.7352726015. The cubic root of 3816117918 is about 1562.6939423305.

The spelling of 3816117918 in words is "three billion, eight hundred sixteen million, one hundred seventeen thousand, nine hundred eighteen".