66063432 has 32 divisors (see below), whose sum is σ = 165448800. Its totient is φ = 21982464.

The previous prime is 66063419. The next prime is 66063433. The reversal of 66063432 is 23436066.

It is a self number, because there is not a number n which added to its sum of digits gives 66063432.

It is not an unprimeable number, because it can be changed into a prime (66063433) 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, 13728 + ... + 17904.

It is an arithmetic number, because the mean of its divisors is an integer number (5170275).

Almost surely, 2^66063432 is an apocalyptic number.

It is an amenable number.

66063432 is an abundant number, since it is smaller than the sum of its proper divisors (99385368).

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

66063432 is a wasteful number, since it uses less digits than its factorization.

66063432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4845 (or 4841 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 66063432 is about 8127.9414367969. The cubic root of 66063432 is about 404.2534272428.

Adding to 66063432 its reverse (23436066), we get a palindrome (89499498).

The spelling of 66063432 in words is "sixty-six million, sixty-three thousand, four hundred thirty-two".