63301664 has 24 divisors (see below), whose sum is σ = 128924460. Its totient is φ = 30558976.

The previous prime is 63301661. The next prime is 63301687. The reversal of 63301664 is 46610336.

It can be written as a sum of positive squares in 2 ways, for example, as 63043600 + 258064 = 7940^2 + 508^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (63301661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33179 + ... + 35034.

Almost surely, 2^63301664 is an apocalyptic number.

It is an amenable number.

63301664 is an abundant number, since it is smaller than the sum of its proper divisors (65622796).

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

63301664 is a wasteful number, since it uses less digits than its factorization.

63301664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68252 (or 68244 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 63301664 is about 7956.2342851377. The cubic root of 63301664 is about 398.5398094282.

The spelling of 63301664 in words is "sixty-three million, three hundred one thousand, six hundred sixty-four".