316068405577721 has 4 divisors (see below), whose sum is σ = 322793265270912. Its totient is φ = 309343545884532.

The previous prime is 316068405577679. The next prime is 316068405577733. The reversal of 316068405577721 is 127775504860613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316068405577721 - 2⁶ = 316068405577657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316068405573721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3362429846525 + ... + 3362429846618.

It is an arithmetic number, because the mean of its divisors is an integer number (80698316317728).

Almost surely, 2^{316068405577721} is an apocalyptic number.

It is an amenable number.

316068405577721 is a deficient number, since it is larger than the sum of its proper divisors (6724859693191).

316068405577721 is an equidigital number, since it uses as much as digits as its factorization.

316068405577721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724859693190.

The product of its (nonzero) digits is 59270400, while the sum is 62.

The spelling of 316068405577721 in words is "three hundred sixteen trillion, sixty-eight billion, four hundred five million, five hundred seventy-seven thousand, seven hundred twenty-one".