66046223 has 16 divisors (see below), whose sum is σ = 71024640. Its totient is φ = 61236000.

The previous prime is 66046219. The next prime is 66046231. The reversal of 66046223 is 32264066.

It is a cyclic number.

It is not a de Polignac number, because 66046223 - 2² = 66046219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66046243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243578 + ... + 243848.

It is an arithmetic number, because the mean of its divisors is an integer number (4439040).

Almost surely, 2^66046223 is an apocalyptic number.

66046223 is a deficient number, since it is larger than the sum of its proper divisors (4978417).

66046223 is a wasteful number, since it uses less digits than its factorization.

66046223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 66046223 is about 8126.8827357112. The cubic root of 66046223 is about 404.2183225907.

The spelling of 66046223 in words is "sixty-six million, forty-six thousand, two hundred twenty-three".