631163152383163 has 4 divisors (see below), whose sum is σ = 631163206354768. Its totient is φ = 631163098411560.

The previous prime is 631163152383103. The next prime is 631163152383191. The reversal of 631163152383163 is 361383251361136.

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.

It is a cyclic number.

It is not a de Polignac number, because 631163152383163 - 2²⁹ = 631162615512251 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 631163152383163.

It is not an unprimeable number, because it can be changed into a prime (631163152383103) 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 3 ways as a sum of consecutive naturals, for example, 1285743 + ... + 35552488.

It is an arithmetic number, because the mean of its divisors is an integer number (157790801588692).

Almost surely, 2^{631163152383163} is an apocalyptic number.

631163152383163 is a deficient number, since it is larger than the sum of its proper divisors (53971605).

631163152383163 is a wasteful number, since it uses less digits than its factorization.

631163152383163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53971604.

The product of its digits is 4199040, while the sum is 52.

The spelling of 631163152383163 in words is "six hundred thirty-one trillion, one hundred sixty-three billion, one hundred fifty-two million, three hundred eighty-three thousand, one hundred sixty-three".