316666050403 has 4 divisors (see below), whose sum is σ = 316667340000. Its totient is φ = 316664760808.

The previous prime is 316666050383. The next prime is 316666050433. The reversal of 316666050403 is 304050666613.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 304050666613 = 109 ⋅2789455657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316666050403 is a prime.

It is a super-3 number, since 3×316666050403³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316666050433) 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, 149800 + ... + 809797.

It is an arithmetic number, because the mean of its divisors is an integer number (79166835000).

Almost surely, 2^316666050403 is an apocalyptic number.

316666050403 is a deficient number, since it is larger than the sum of its proper divisors (1289597).

316666050403 is an equidigital number, since it uses as much as digits as its factorization.

316666050403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289596.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 316666050403 in words is "three hundred sixteen billion, six hundred sixty-six million, fifty thousand, four hundred three".