65066443 has 8 divisors (see below), whose sum is σ = 71221136. Its totient is φ = 59076000.

The previous prime is 65066437. The next prime is 65066453. The reversal of 65066443 is 34466056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65066443 - 2⁵ = 65066411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65066399 and 65066408.

It is not an unprimeable number, because it can be changed into a prime (65066413) 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, 40233 + ... + 41818.

It is an arithmetic number, because the mean of its divisors is an integer number (8902642).

Almost surely, 2^65066443 is an apocalyptic number.

65066443 is a deficient number, since it is larger than the sum of its proper divisors (6154693).

65066443 is a wasteful number, since it uses less digits than its factorization.

65066443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82125.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 65066443 is about 8066.3773157471. The cubic root of 65066443 is about 402.2095287341.

The spelling of 65066443 in words is "sixty-five million, sixty-six thousand, four hundred forty-three".