63665852 has 12 divisors (see below), whose sum is σ = 111895056. Its totient is φ = 31695840.

The previous prime is 63665851. The next prime is 63665857. The reversal of 63665852 is 25856636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63665851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33224 + ... + 35087.

It is an arithmetic number, because the mean of its divisors is an integer number (9324588).

Almost surely, 2^63665852 is an apocalyptic number.

It is an amenable number.

63665852 is a deficient number, since it is larger than the sum of its proper divisors (48229204).

63665852 is a wasteful number, since it uses less digits than its factorization.

63665852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68548 (or 68546 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 63665852 is about 7979.0884191115. The cubic root of 63665852 is about 399.3026432738.

The spelling of 63665852 in words is "sixty-three million, six hundred sixty-five thousand, eight hundred fifty-two".