63628516 has 24 divisors (see below), whose sum is σ = 127725696. Its totient is φ = 27168960.

The previous prime is 63628507. The next prime is 63628529. The reversal of 63628516 is 61582636.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (5321904).

Almost surely, 2^63628516 is an apocalyptic number.

It is an amenable number.

63628516 is an abundant number, since it is smaller than the sum of its proper divisors (64097180).

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

63628516 is a wasteful number, since it uses less digits than its factorization.

63628516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379 (or 8377 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 63628516 is about 7976.7484603690. The cubic root of 63628516 is about 399.2245727528.

It can be divided in two parts, 6362 and 8516, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 63628516 in words is "sixty-three million, six hundred twenty-eight thousand, five hundred sixteen".