63069664 has 144 divisors (see below), whose sum is σ = 159440400. Its totient is φ = 24385536.

The previous prime is 63069659. The next prime is 63069673. The reversal of 63069664 is 46696036.

63069664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863932 + ... + 864004.

It is an arithmetic number, because the mean of its divisors is an integer number (1107225).

Almost surely, 2^63069664 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 63069664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79720200).

63069664 is an abundant number, since it is smaller than the sum of its proper divisors (96370736).

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

63069664 is a wasteful number, since it uses less digits than its factorization.

63069664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 63069664 is about 7941.6411402178. The cubic root of 63069664 is about 398.0523318644.

The spelling of 63069664 in words is "sixty-three million, sixty-nine thousand, six hundred sixty-four".