63661060 has 24 divisors (see below), whose sum is σ = 133877016. Its totient is φ = 25428480.

The previous prime is 63661057. The next prime is 63661097. The reversal of 63661060 is 6016636.

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 60186564 = 1864^2 + 7758^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15814 + ... + 19426.

It is an arithmetic number, because the mean of its divisors is an integer number (5578209).

Almost surely, 2^63661060 is an apocalyptic number.

It is an amenable number.

63661060 is an abundant number, since it is smaller than the sum of its proper divisors (70215956).

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

63661060 is a wasteful number, since it uses less digits than its factorization.

63661060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503 (or 4501 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 63661060 is about 7978.7881285318. The cubic root of 63661060 is about 399.2926247882.

Adding to 63661060 its reverse (6016636), we get a palindrome (69677696).

The spelling of 63661060 in words is "sixty-three million, six hundred sixty-one thousand, sixty".