63625016 has 128 divisors (see below), whose sum is σ = 160030080. Its totient is φ = 23003136.

The previous prime is 63625007. The next prime is 63625021. The reversal of 63625016 is 61052636.

It is a super-2 number, since 2×63625016² = 8096285322000512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63625016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655880 + ... + 655976.

It is an arithmetic number, because the mean of its divisors is an integer number (1250235).

Almost surely, 2^63625016 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 63625016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80015040).

63625016 is an abundant number, since it is smaller than the sum of its proper divisors (96405064).

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

63625016 is a wasteful number, since it uses less digits than its factorization.

63625016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 63625016 is about 7976.5290697145. The cubic root of 63625016 is about 399.2172525987.

It can be divided in two parts, 636 and 25016, that added together give a palindrome (25652).

The spelling of 63625016 in words is "sixty-three million, six hundred twenty-five thousand, sixteen".