316108545565 has 4 divisors (see below), whose sum is σ = 379330254684. Its totient is φ = 252886836448.

The previous prime is 316108545563. The next prime is 316108545601. The reversal of 316108545565 is 565545801613.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106407744804 + 209700800761 = 326202^2 + 457931^2 .

It is a cyclic number.

It is not a de Polignac number, because 316108545565 - 2¹ = 316108545563 is a prime.

It is a super-2 number, since 2×316108545565² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316108545563) 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 3 ways as a sum of consecutive naturals, for example, 31610854552 + ... + 31610854561.

It is an arithmetic number, because the mean of its divisors is an integer number (94832563671).

Almost surely, 2^316108545565 is an apocalyptic number.

It is an amenable number.

316108545565 is a deficient number, since it is larger than the sum of its proper divisors (63221709119).

316108545565 is an equidigital number, since it uses as much as digits as its factorization.

316108545565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63221709118.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 316108545565 in words is "three hundred sixteen billion, one hundred eight million, five hundred forty-five thousand, five hundred sixty-five".