66323834 has 16 divisors (see below), whose sum is σ = 105489216. Its totient is φ = 31166400.

The previous prime is 66323819. The next prime is 66323837. The reversal of 66323834 is 43832366.

It is a junction number, because it is equal to n+sod(n) for n = 66323794 and 66323803.

It is not an unprimeable number, because it can be changed into a prime (66323837) 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, 43139 + ... + 44649.

It is an arithmetic number, because the mean of its divisors is an integer number (6593076).

Almost surely, 2^66323834 is an apocalyptic number.

66323834 is a deficient number, since it is larger than the sum of its proper divisors (39165382).

66323834 is a wasteful number, since it uses less digits than its factorization.

66323834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821.

The product of its digits is 62208, while the sum is 35.

The square root of 66323834 is about 8143.9446216192. The cubic root of 66323834 is about 404.7838790012.

The spelling of 66323834 in words is "sixty-six million, three hundred twenty-three thousand, eight hundred thirty-four".