481665599 has 8 divisors (see below), whose sum is σ = 508058880. Its totient is φ = 455376600.

The previous prime is 481665571. The next prime is 481665617. The reversal of 481665599 is 995566184.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481665599 - 2²⁴ = 464888383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 481665599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481665799) 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 7 ways as a sum of consecutive naturals, for example, 16487 + ... + 35144.

It is an arithmetic number, because the mean of its divisors is an integer number (63507360).

Almost surely, 2^481665599 is an apocalyptic number.

481665599 is a deficient number, since it is larger than the sum of its proper divisors (26393281).

481665599 is a wasteful number, since it uses less digits than its factorization.

481665599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52141.

The product of its digits is 2332800, while the sum is 53.

The square root of 481665599 is about 21946.8813046410. The cubic root of 481665599 is about 783.8781215641.

The spelling of 481665599 in words is "four hundred eighty-one million, six hundred sixty-five thousand, five hundred ninety-nine".