316866615421 has 8 divisors (see below), whose sum is σ = 322878258560. Its totient is φ = 310911419952.

The previous prime is 316866615397. The next prime is 316866615431. The reversal of 316866615421 is 124516668613.

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

It is a cyclic number.

It is not a de Polignac number, because 316866615421 - 2⁷ = 316866615293 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 (316866615431) 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, 14100585 + ... + 14123038.

It is an arithmetic number, because the mean of its divisors is an integer number (40359782320).

Almost surely, 2^316866615421 is an apocalyptic number.

It is an amenable number.

316866615421 is a deficient number, since it is larger than the sum of its proper divisors (6011643139).

316866615421 is a wasteful number, since it uses less digits than its factorization.

316866615421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28223835.

The product of its digits is 1244160, while the sum is 49.

The spelling of 316866615421 in words is "three hundred sixteen billion, eight hundred sixty-six million, six hundred fifteen thousand, four hundred twenty-one".