63662018 has 24 divisors (see below), whose sum is σ = 113048832. Its totient is φ = 26338032.

The previous prime is 63661987. The next prime is 63662021. The reversal of 63662018 is 81026636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9071 + ... + 14477.

It is an arithmetic number, because the mean of its divisors is an integer number (4710368).

Almost surely, 2^63662018 is an apocalyptic number.

63662018 is a deficient number, since it is larger than the sum of its proper divisors (49386814).

63662018 is a wasteful number, since it uses less digits than its factorization.

63662018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474 (or 5445 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 63662018 is about 7978.8481624856. The cubic root of 63662018 is about 399.2946276893.

The spelling of 63662018 in words is "sixty-three million, six hundred sixty-two thousand, eighteen".