316660705340021 has 8 divisors (see below), whose sum is σ = 361898640302784. Its totient is φ = 271422943212960.

The previous prime is 316660705340009. The next prime is 316660705340033. The reversal of 316660705340021 is 120043507066613.

It is an interprime number because it is at equal distance from previous prime (316660705340009) and next prime (316660705340033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 316660705340021 - 2¹⁰ = 316660705338997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316660705340621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39258815 + ... + 46632348.

It is an arithmetic number, because the mean of its divisors is an integer number (45237330037848).

Almost surely, 2^{316660705340021} is an apocalyptic number.

It is an amenable number.

316660705340021 is a deficient number, since it is larger than the sum of its proper divisors (45237934962763).

316660705340021 is an equidigital number, since it uses as much as digits as its factorization.

316660705340021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86417851.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 316660705340021 in words is "three hundred sixteen trillion, six hundred sixty billion, seven hundred five million, three hundred forty thousand, twenty-one".