311616691666163 has 32 divisors (see below), whose sum is σ = 341243828788800. Its totient is φ = 282801969216000.

The previous prime is 311616691666153. The next prime is 311616691666177. The reversal of 311616691666163 is 361666196616113.

It is a happy number.

It is not a de Polignac number, because 311616691666163 - 2⁸ = 311616691665907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311616691666096 and 311616691666105.

It is not an unprimeable number, because it can be changed into a prime (311616691666153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26631623213 + ... + 26631634913.

It is an arithmetic number, because the mean of its divisors is an integer number (10663869649650).

Almost surely, 2^{311616691666163} is an apocalyptic number.

311616691666163 is a deficient number, since it is larger than the sum of its proper divisors (29627137122637).

311616691666163 is a wasteful number, since it uses less digits than its factorization.

311616691666163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24183.

The product of its digits is 22674816, while the sum is 62.

The spelling of 311616691666163 in words is "three hundred eleven trillion, six hundred sixteen billion, six hundred ninety-one million, six hundred sixty-six thousand, one hundred sixty-three".