316421166263 has 4 divisors (see below), whose sum is σ = 319683240240. Its totient is φ = 313159092288.

The previous prime is 316421166241. The next prime is 316421166293. The reversal of 316421166263 is 362661124613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362661124613 = 79 ⋅4590647147.

It is a cyclic number.

It is not a de Polignac number, because 316421166263 - 2¹⁴ = 316421149879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316421166263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316421166223) 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, 1631036843 + ... + 1631037036.

It is an arithmetic number, because the mean of its divisors is an integer number (79920810060).

Almost surely, 2^316421166263 is an apocalyptic number.

316421166263 is a deficient number, since it is larger than the sum of its proper divisors (3262073977).

316421166263 is an equidigital number, since it uses as much as digits as its factorization.

316421166263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262073976.

The product of its digits is 186624, while the sum is 41.

The spelling of 316421166263 in words is "three hundred sixteen billion, four hundred twenty-one million, one hundred sixty-six thousand, two hundred sixty-three".