481656665 has 16 divisors (see below), whose sum is σ = 699414912. Its totient is φ = 310850304.

The previous prime is 481656613. The next prime is 481656691. The reversal of 481656665 is 566656184.

It is not a de Polignac number, because 481656665 - 2¹⁰ = 481655641 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 404159 + ... + 405348.

It is an arithmetic number, because the mean of its divisors is an integer number (43713432).

Almost surely, 2^481656665 is an apocalyptic number.

It is an amenable number.

481656665 is a deficient number, since it is larger than the sum of its proper divisors (217758247).

481656665 is a wasteful number, since it uses less digits than its factorization.

481656665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809536.

The product of its digits is 1036800, while the sum is 47.

The square root of 481656665 is about 21946.6777668056. The cubic root of 481656665 is about 783.8732750410.

The spelling of 481656665 in words is "four hundred eighty-one million, six hundred fifty-six thousand, six hundred sixty-five".