63918356 has 24 divisors (see below), whose sum is σ = 118164480. Its totient is φ = 30169152.

The previous prime is 63918353. The next prime is 63918359. The reversal of 63918356 is 65381936.

63918356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63918353) and next prime (63918359).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63918353) 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 7 ways as a sum of consecutive naturals, for example, 22445 + ... + 25131.

It is an arithmetic number, because the mean of its divisors is an integer number (4923520).

Almost surely, 2^63918356 is an apocalyptic number.

It is an amenable number.

63918356 is a deficient number, since it is larger than the sum of its proper divisors (54246124).

63918356 is a wasteful number, since it uses less digits than its factorization.

63918356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023 (or 3021 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 63918356 is about 7994.8956215826. The cubic root of 63918356 is about 399.8298359541.

The spelling of 63918356 in words is "sixty-three million, nine hundred eighteen thousand, three hundred fifty-six".