486636661 has 8 divisors (see below), whose sum is σ = 565583040. Its totient is φ = 410047008.

The previous prime is 486636659. The next prime is 486636701. The reversal of 486636661 is 166636684.

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

It is not a de Polignac number, because 486636661 - 2¹ = 486636659 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 (486636641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588736 + ... + 589561.

It is an arithmetic number, because the mean of its divisors is an integer number (70697880).

Almost surely, 2^486636661 is an apocalyptic number.

It is an amenable number.

486636661 is a deficient number, since it is larger than the sum of its proper divisors (78946379).

486636661 is a wasteful number, since it uses less digits than its factorization.

486636661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178363.

The product of its digits is 746496, while the sum is 46.

The square root of 486636661 is about 22059.8427238274. The cubic root of 486636661 is about 786.5655861180.

The spelling of 486636661 in words is "four hundred eighty-six million, six hundred thirty-six thousand, six hundred sixty-one".