481681660 has 24 divisors (see below), whose sum is σ = 1011971520. Its totient is φ = 192588864.

The previous prime is 481681643. The next prime is 481681691. The reversal of 481681660 is 66186184.

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 7 ways as a sum of consecutive naturals, for example, 64606 + ... + 71674.

It is an arithmetic number, because the mean of its divisors is an integer number (42165480).

Almost surely, 2^481681660 is an apocalyptic number.

It is an amenable number.

481681660 is an abundant number, since it is smaller than the sum of its proper divisors (530289860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

481681660 is a wasteful number, since it uses less digits than its factorization.

481681660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485 (or 10483 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 481681660 is about 21947.2472077935. The cubic root of 481681660 is about 783.8868341970.

The spelling of 481681660 in words is "four hundred eighty-one million, six hundred eighty-one thousand, six hundred sixty".