63081366 has 8 divisors (see below), whose sum is σ = 126162744. Its totient is φ = 21027120.

The previous prime is 63081323. The next prime is 63081367. The reversal of 63081366 is 66318036.

63081366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

63081366 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63081367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5256775 + ... + 5256786.

It is an arithmetic number, because the mean of its divisors is an integer number (15770343).

Almost surely, 2^63081366 is an apocalyptic number.

63081366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63081366 is a wasteful number, since it uses less digits than its factorization.

63081366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10513566.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 63081366 is about 7942.3778555292. The cubic root of 63081366 is about 398.0769486666.

The spelling of 63081366 in words is "sixty-three million, eighty-one thousand, three hundred sixty-six".