316261578671 has 2 divisors, whose sum is σ = 316261578672. Its totient is φ = 316261578670.

The previous prime is 316261578643. The next prime is 316261578697. The reversal of 316261578671 is 176875162613.

It is a strong prime.

It is an emirp because it is prime and its reverse (176875162613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316261578671 - 2²⁶ = 316194469807 is a prime.

It is a super-2 number, since 2×316261578671² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316261578631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158130789335 + 158130789336.

It is an arithmetic number, because the mean of its divisors is an integer number (158130789336).

Almost surely, 2^316261578671 is an apocalyptic number.

316261578671 is a deficient number, since it is larger than the sum of its proper divisors (1).

316261578671 is an equidigital number, since it uses as much as digits as its factorization.

316261578671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The spelling of 316261578671 in words is "three hundred sixteen billion, two hundred sixty-one million, five hundred seventy-eight thousand, six hundred seventy-one".