316645424184685 has 32 divisors (see below), whose sum is σ = 384053370127200. Its totient is φ = 250612019478528.

The previous prime is 316645424184679. The next prime is 316645424184743. The reversal of 316645424184685 is 586481424546613.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 280032311715556 + 36613112469129 = 16734166^2 + 6050877^2 .

It is not a de Polignac number, because 316645424184685 - 2¹³ = 316645424176493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316645424184685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281182909 + ... + 282306781.

It is an arithmetic number, because the mean of its divisors is an integer number (12001667816475).

Almost surely, 2^{316645424184685} is an apocalyptic number.

It is an amenable number.

316645424184685 is a deficient number, since it is larger than the sum of its proper divisors (67407945942515).

316645424184685 is a wasteful number, since it uses less digits than its factorization.

316645424184685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125537.

The product of its digits is 530841600, while the sum is 67.

The spelling of 316645424184685 in words is "three hundred sixteen trillion, six hundred forty-five billion, four hundred twenty-four million, one hundred eighty-four thousand, six hundred eighty-five".