481664117 has 16 divisors (see below), whose sum is σ = 556019520. Its totient is φ = 412646400.

The previous prime is 481664093. The next prime is 481664123. The reversal of 481664117 is 711466184.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-481664117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481664017) 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 in 15 ways as a sum of consecutive naturals, for example, 34367 + ... + 46307.

It is an arithmetic number, because the mean of its divisors is an integer number (34751220).

Almost surely, 2^481664117 is an apocalyptic number.

It is an amenable number.

481664117 is a deficient number, since it is larger than the sum of its proper divisors (74355403).

481664117 is a wasteful number, since it uses less digits than its factorization.

481664117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12164.

The product of its digits is 32256, while the sum is 38.

The square root of 481664117 is about 21946.8475412757. The cubic root of 481664117 is about 783.8773176118.

The spelling of 481664117 in words is "four hundred eighty-one million, six hundred sixty-four thousand, one hundred seventeen".