63366516 has 48 divisors (see below), whose sum is σ = 166286400. Its totient is φ = 20864736.

The previous prime is 63366509. The next prime is 63366547. The reversal of 63366516 is 61566336.

It is a happy number.

63366516 is a `hidden beast` number, since 633 + 6 + 6 + 5 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5430 + ... + 12498.

It is an arithmetic number, because the mean of its divisors is an integer number (3464300).

Almost surely, 2^63366516 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 63366516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83143200).

63366516 is an abundant number, since it is smaller than the sum of its proper divisors (102919884).

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

63366516 is a wasteful number, since it uses less digits than its factorization.

63366516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165 (or 7157 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 63366516 is about 7960.3087879805. The cubic root of 63366516 is about 398.6758631575.

The spelling of 63366516 in words is "sixty-three million, three hundred sixty-six thousand, five hundred sixteen".