66034332432 has 120 divisors (see below), whose sum is σ = 202922699616. Its totient is φ = 20716632576.

The previous prime is 66034332421. The next prime is 66034332433. The reversal of 66034332432 is 23423343066.

66034332432 is a `hidden beast` number, since 6 + 603 + 4 + 3 + 3 + 2 + 43 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (66034332433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433438 + ... + 565629.

Almost surely, 2^66034332432 is an apocalyptic number.

It is an amenable number.

66034332432 is an abundant number, since it is smaller than the sum of its proper divisors (136888367184).

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

66034332432 is a wasteful number, since it uses less digits than its factorization.

66034332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999107 (or 999089 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 36.

Adding to 66034332432 its reverse (23423343066), we get a palindrome (89457675498).

The spelling of 66034332432 in words is "sixty-six billion, thirty-four million, three hundred thirty-two thousand, four hundred thirty-two".