316106668242 has 48 divisors (see below), whose sum is σ = 704279211480. Its totient is φ = 102394181376.

The previous prime is 316106668211. The next prime is 316106668243. The reversal of 316106668242 is 242866601613.

It can be written as a sum of positive squares in 4 ways, for example, as 306020282481 + 10086385761 = 553191^2 + 100431^2 .

It is not an unprimeable number, because it can be changed into a prime (316106668243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245448 + ... + 832140.

Almost surely, 2^316106668242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316106668242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352139605740).

316106668242 is an abundant number, since it is smaller than the sum of its proper divisors (388172543238).

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

316106668242 is a wasteful number, since it uses less digits than its factorization.

316106668242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587547 (or 587544 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 316106668242 in words is "three hundred sixteen billion, one hundred six million, six hundred sixty-eight thousand, two hundred forty-two".