264163664325 has 48 divisors (see below), whose sum is σ = 481172720832. Its totient is φ = 126811200000.

The previous prime is 264163664287. The next prime is 264163664357. The reversal of 264163664325 is 523466361462.

It is not a de Polignac number, because 264163664325 - 2⁷ = 264163664197 is a prime.

It is a super-2 number, since 2×264163664325² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 1501816 + ... + 1668465.

It is an arithmetic number, because the mean of its divisors is an integer number (10024431684).

Almost surely, 2^264163664325 is an apocalyptic number.

264163664325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264163664325 is a deficient number, since it is larger than the sum of its proper divisors (217009056507).

264163664325 is a wasteful number, since it uses less digits than its factorization.

264163664325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170406 (or 3170401 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 48.

The spelling of 264163664325 in words is "two hundred sixty-four billion, one hundred sixty-three million, six hundred sixty-four thousand, three hundred twenty-five".