63195216 has 120 divisors (see below), whose sum is σ = 197290944. Its totient is φ = 17072640.

The previous prime is 63195203. The next prime is 63195217. The reversal of 63195216 is 61259136.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63195217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121036 + ... + 121556.

Almost surely, 2^63195216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63195216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98645472).

63195216 is an abundant number, since it is smaller than the sum of its proper divisors (134095728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63195216 is a wasteful number, since it uses less digits than its factorization.

63195216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 552 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 63195216 is about 7949.5418735925. The cubic root of 63195216 is about 398.3162894073.

The spelling of 63195216 in words is "sixty-three million, one hundred ninety-five thousand, two hundred sixteen".