66060833 has 4 divisors (see below), whose sum is σ = 66077508. Its totient is φ = 66044160.

The previous prime is 66060829. The next prime is 66060871. The reversal of 66060833 is 33806066.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 9690769 = 7508^2 + 3113^2 .

It is a cyclic number.

It is not a de Polignac number, because 66060833 - 2² = 66060829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66060833.

It is not an unprimeable number, because it can be changed into a prime (66060823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385 + ... + 11577.

It is an arithmetic number, because the mean of its divisors is an integer number (16519377).

Almost surely, 2^66060833 is an apocalyptic number.

It is an amenable number.

66060833 is a deficient number, since it is larger than the sum of its proper divisors (16675).

66060833 is a wasteful number, since it uses less digits than its factorization.

66060833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 66060833 is about 8127.7815546433. The cubic root of 66060833 is about 404.2481259316.

Adding to 66060833 its reverse (33806066), we get a palindrome (99866899).

The spelling of 66060833 in words is "sixty-six million, sixty thousand, eight hundred thirty-three".