66337443 has 6 divisors (see below), whose sum is σ = 95820764. Its totient is φ = 44224956.

The previous prime is 66337429. The next prime is 66337477. The reversal of 66337443 is 34473366.

It is a de Polignac number, because none of the positive numbers 2^k-66337443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66337398 and 66337407.

It is not an unprimeable number, because it can be changed into a prime (66337423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3685405 + ... + 3685422.

Almost surely, 2^66337443 is an apocalyptic number.

66337443 is a deficient number, since it is larger than the sum of its proper divisors (29483321).

66337443 is a wasteful number, since it uses less digits than its factorization.

66337443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370833 (or 7370830 counting only the distinct ones).

The product of its digits is 108864, while the sum is 36.

The square root of 66337443 is about 8144.7801075290. The cubic root of 66337443 is about 404.8115630013.

The spelling of 66337443 in words is "sixty-six million, three hundred thirty-seven thousand, four hundred forty-three".