316527436466261 has 4 divisors (see below), whose sum is σ = 317670134793132. Its totient is φ = 315384738139392.

The previous prime is 316527436466233. The next prime is 316527436466279. The reversal of 316527436466261 is 162664634725613.

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 123400660702225 + 193126775764036 = 11108585^2 + 13897006^2 .

It is a cyclic number.

It is not a de Polignac number, because 316527436466261 - 2¹⁸ = 316527436204117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 316527436466194 and 316527436466203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316527436466861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571349163020 + ... + 571349163573.

It is an arithmetic number, because the mean of its divisors is an integer number (79417533698283).

Almost surely, 2^{316527436466261} is an apocalyptic number.

It is an amenable number.

316527436466261 is a deficient number, since it is larger than the sum of its proper divisors (1142698326871).

316527436466261 is a wasteful number, since it uses less digits than its factorization.

316527436466261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142698326870.

The product of its digits is 156764160, while the sum is 62.

The spelling of 316527436466261 in words is "three hundred sixteen trillion, five hundred twenty-seven billion, four hundred thirty-six million, four hundred sixty-six thousand, two hundred sixty-one".