618401304168 has 64 divisors (see below), whose sum is σ = 1637063084160. Its totient is φ = 193994213376.

The previous prime is 618401304163. The next prime is 618401304211. The reversal of 618401304168 is 861403104816.

It is not an unprimeable number, because it can be changed into a prime (618401304161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6569805 + ... + 6663267.

It is an arithmetic number, because the mean of its divisors is an integer number (25579110690).

Almost surely, 2^618401304168 is an apocalyptic number.

618401304168 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

618401304168 is an abundant number, since it is smaller than the sum of its proper divisors (1018661779992).

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

618401304168 is a wasteful number, since it uses less digits than its factorization.

618401304168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109706 (or 109702 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 618401304168 in words is "six hundred eighteen billion, four hundred one million, three hundred four thousand, one hundred sixty-eight".