63354816 has 168 divisors, whose sum is σ = 218724480. Its totient is φ = 17127936.

The previous prime is 63354787. The next prime is 63354827. The reversal of 63354816 is 61845336.

63354816 is a `hidden beast` number, since 633 + 5 + 4 + 8 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

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 23 ways as a sum of consecutive naturals, for example, 76195 + ... + 77021.

Almost surely, 2^63354816 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 63354816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109362240).

63354816 is an abundant number, since it is smaller than the sum of its proper divisors (155369664).

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

63354816 is a wasteful number, since it uses less digits than its factorization.

63354816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 858 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 63354816 is about 7959.5738579399. The cubic root of 63354816 is about 398.6513244631.

The spelling of 63354816 in words is "sixty-three million, three hundred fifty-four thousand, eight hundred sixteen".