264163047831 has 24 divisors (see below), whose sum is σ = 385009621776. Its totient is φ = 174521168640.

The previous prime is 264163047791. The next prime is 264163047857. The reversal of 264163047831 is 138740361462.

264163047831 is a `hidden beast` number, since 2 + 6 + 4 + 1 + 630 + 4 + 7 + 8 + 3 + 1 = 666.

264163047831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 264163047831 - 2¹⁸ = 264162785687 is a prime.

It is a super-2 number, since 2×264163047831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264163047131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7317616 + ... + 7353626.

It is an arithmetic number, because the mean of its divisors is an integer number (16042067574).

Almost surely, 2^264163047831 is an apocalyptic number.

264163047831 is a deficient number, since it is larger than the sum of its proper divisors (120846573945).

264163047831 is a wasteful number, since it uses less digits than its factorization.

264163047831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43343 (or 43340 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 264163047831 in words is "two hundred sixty-four billion, one hundred sixty-three million, forty-seven thousand, eight hundred thirty-one".