63543066 has 32 divisors (see below), whose sum is σ = 133619328. Its totient is φ = 20106240.

The previous prime is 63543047. The next prime is 63543091. The reversal of 63543066 is 66034536.

It is a happy 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, 17226 + ... + 20586.

It is an arithmetic number, because the mean of its divisors is an integer number (4175604).

Almost surely, 2^63543066 is an apocalyptic number.

63543066 is an abundant number, since it is smaller than the sum of its proper divisors (70076262).

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

63543066 is a wasteful number, since it uses less digits than its factorization.

63543066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 63543066 is about 7971.3904684189. The cubic root of 63543066 is about 399.0457796355.

The spelling of 63543066 in words is "sixty-three million, five hundred forty-three thousand, sixty-six".