63173216 has 12 divisors (see below), whose sum is σ = 124372332. Its totient is φ = 31586592.

The previous prime is 63173213. The next prime is 63173221. The reversal of 63173216 is 61237136.

63173216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63173213) 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 as a sum of consecutive naturals, namely, 987050 + ... + 987113.

It is an arithmetic number, because the mean of its divisors is an integer number (10364361).

Almost surely, 2^63173216 is an apocalyptic number.

It is an amenable number.

63173216 is a deficient number, since it is larger than the sum of its proper divisors (61199116).

63173216 is a wasteful number, since it uses less digits than its factorization.

63173216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974173 (or 1974165 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 63173216 is about 7948.1580256057. The cubic root of 63173216 is about 398.2700624089.

The spelling of 63173216 in words is "sixty-three million, one hundred seventy-three thousand, two hundred sixteen".