63166885 has 8 divisors (see below), whose sum is σ = 76582296. Its totient is φ = 50012160.

The previous prime is 63166877. The next prime is 63166921. The reversal of 63166885 is 58866136.

It can be written as a sum of positive squares in 4 ways, for example, as 7306209 + 55860676 = 2703^2 + 7474^2 .

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

It is not a de Polignac number, because 63166885 - 2³ = 63166877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64636 + ... + 65605.

It is an arithmetic number, because the mean of its divisors is an integer number (9572787).

Almost surely, 2^63166885 is an apocalyptic number.

It is an amenable number.

63166885 is a deficient number, since it is larger than the sum of its proper divisors (13415411).

63166885 is a wasteful number, since it uses less digits than its factorization.

63166885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130343.

The product of its digits is 207360, while the sum is 43.

The square root of 63166885 is about 7947.7597472495. The cubic root of 63166885 is about 398.2567575509.

The spelling of 63166885 in words is "sixty-three million, one hundred sixty-six thousand, eight hundred eighty-five".