316506488218 has 16 divisors (see below), whose sum is σ = 500706325440. Its totient is φ = 149636354400.

The previous prime is 316506488209. The next prime is 316506488219. The reversal of 316506488218 is 812884605613.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (316506488219) 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 7 ways as a sum of consecutive naturals, for example, 7973598 + ... + 8013193.

It is an arithmetic number, because the mean of its divisors is an integer number (31294145340).

Almost surely, 2^316506488218 is an apocalyptic number.

316506488218 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

316506488218 is a deficient number, since it is larger than the sum of its proper divisors (184199837222).

316506488218 is a wasteful number, since it uses less digits than its factorization.

316506488218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15987333.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 316506488218 in words is "three hundred sixteen billion, five hundred six million, four hundred eighty-eight thousand, two hundred eighteen".