316106637485 has 4 divisors (see below), whose sum is σ = 379327964988. Its totient is φ = 252885309984.

The previous prime is 316106637409. The next prime is 316106637529. The reversal of 316106637485 is 584736601613.

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 134141260009 + 181965377476 = 366253^2 + 426574^2 .

It is a cyclic number.

It is not a de Polignac number, because 316106637485 - 2²⁶ = 316039528621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31610663744 + ... + 31610663753.

It is an arithmetic number, because the mean of its divisors is an integer number (94831991247).

Almost surely, 2^316106637485 is an apocalyptic number.

It is an amenable number.

316106637485 is a deficient number, since it is larger than the sum of its proper divisors (63221327503).

316106637485 is an equidigital number, since it uses as much as digits as its factorization.

316106637485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63221327502.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 316106637485 in words is "three hundred sixteen billion, one hundred six million, six hundred thirty-seven thousand, four hundred eighty-five".