31168160663 has 2 divisors, whose sum is σ = 31168160664. Its totient is φ = 31168160662.

The previous prime is 31168160629. The next prime is 31168160687. The reversal of 31168160663 is 36606186113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31168160663 - 2¹⁰ = 31168159639 is a prime.

It is a super-2 number, since 2×31168160663² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31168160663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31168160623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15584080331 + 15584080332.

It is an arithmetic number, because the mean of its divisors is an integer number (15584080332).

Almost surely, 2^31168160663 is an apocalyptic number.

31168160663 is a deficient number, since it is larger than the sum of its proper divisors (1).

31168160663 is an equidigital number, since it uses as much as digits as its factorization.

31168160663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 31168160663 in words is "thirty-one billion, one hundred sixty-eight million, one hundred sixty thousand, six hundred sixty-three".