316566240353421 has 8 divisors (see below), whose sum is σ = 422210065025184. Its totient is φ = 210983287958640.

The previous prime is 316566240353381. The next prime is 316566240353423. The reversal of 316566240353421 is 124353042665613.

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

It is not a de Polignac number, because 316566240353421 - 2¹⁵ = 316566240320653 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316566240353423) 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, 15218057110 + ... + 15218077911.

It is an arithmetic number, because the mean of its divisors is an integer number (52776258128148).

Almost surely, 2^{316566240353421} is an apocalyptic number.

It is an amenable number.

316566240353421 is a deficient number, since it is larger than the sum of its proper divisors (105643824671763).

316566240353421 is a wasteful number, since it uses less digits than its factorization.

316566240353421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30436138491.

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 316566240353421 in words is "three hundred sixteen trillion, five hundred sixty-six billion, two hundred forty million, three hundred fifty-three thousand, four hundred twenty-one".