63608144 has 10 divisors (see below), whose sum is σ = 123240810. Its totient is φ = 31804064.

The previous prime is 63608131. The next prime is 63608159. The reversal of 63608144 is 44180636.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 14440000 = 7012^2 + 3800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63608144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987739 + ... + 1987770.

It is an arithmetic number, because the mean of its divisors is an integer number (12324081).

Almost surely, 2^63608144 is an apocalyptic number.

It is an amenable number.

63608144 is a deficient number, since it is larger than the sum of its proper divisors (59632666).

63608144 is a wasteful number, since it uses less digits than its factorization.

63608144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975517 (or 3975511 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 63608144 is about 7975.4713967263. The cubic root of 63608144 is about 399.1819615064.

The spelling of 63608144 in words is "sixty-three million, six hundred eight thousand, one hundred forty-four".