63000066 has 16 divisors (see below), whose sum is σ = 126165600. Its totient is φ = 20972448.

The previous prime is 63000061. The next prime is 63000083. The reversal of 63000066 is 66000036.

It is not an unprimeable number, because it can be changed into a prime (63000061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636 + ... + 11343.

It is an arithmetic number, because the mean of its divisors is an integer number (7885350).

Almost surely, 2^63000066 is an apocalyptic number.

63000066 is an abundant number, since it is smaller than the sum of its proper divisors (63165534).

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

63000066 is a wasteful number, since it uses less digits than its factorization.

63000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 63000066 is about 7937.2580908019. The cubic root of 63000066 is about 397.9058597408.

The spelling of 63000066 in words is "sixty-three million, sixty-six", and thus it is an aban number and an uban number.