66343432 has 16 divisors (see below), whose sum is σ = 124670700. Its totient is φ = 33097920.

The previous prime is 66343423. The next prime is 66343451. The reversal of 66343432 is 23434366.

It can be written as a sum of positive squares in 2 ways, for example, as 66161956 + 181476 = 8134^2 + 426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66343394 and 66343403.

It is an unprimeable number.

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, 5307 + ... + 12682.

Almost surely, 2^66343432 is an apocalyptic number.

It is an amenable number.

66343432 is a deficient number, since it is larger than the sum of its proper divisors (58327268).

66343432 is a wasteful number, since it uses less digits than its factorization.

66343432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18456 (or 18452 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

The square root of 66343432 is about 8145.1477580213. The cubic root of 66343432 is about 404.8237448772.

Adding to 66343432 its reverse (23434366), we get a palindrome (89777798).

The spelling of 66343432 in words is "sixty-six million, three hundred forty-three thousand, four hundred thirty-two".