485567666 has 8 divisors (see below), whose sum is σ = 728556444. Its totient is φ = 242715520.

The previous prime is 485567659. The next prime is 485567671. The reversal of 485567666 is 666765584.

It can be written as a sum of positive squares in 2 ways, for example, as 419389441 + 66178225 = 20479^2 + 8135^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24755 + ... + 39798.

Almost surely, 2^485567666 is an apocalyptic number.

485567666 is a deficient number, since it is larger than the sum of its proper divisors (242988778).

485567666 is a wasteful number, since it uses less digits than its factorization.

485567666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68316.

The product of its digits is 7257600, while the sum is 53.

The square root of 485567666 is about 22035.5999691408. The cubic root of 485567666 is about 785.9892141989.

The spelling of 485567666 in words is "four hundred eighty-five million, five hundred sixty-seven thousand, six hundred sixty-six".