66483213 has 8 divisors (see below), whose sum is σ = 89042688. Its totient is φ = 44122944.

The previous prime is 66483187. The next prime is 66483233. The reversal of 66483213 is 31238466.

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

It is not a de Polignac number, because 66483213 - 2⁹ = 66482701 is a prime.

It is a super-2 number, since 2×66483213² = 8840035221606738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66483233) 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, 49020 + ... + 50357.

It is an arithmetic number, because the mean of its divisors is an integer number (11130336).

Almost surely, 2^66483213 is an apocalyptic number.

It is an amenable number.

66483213 is a deficient number, since it is larger than the sum of its proper divisors (22559475).

66483213 is a wasteful number, since it uses less digits than its factorization.

66483213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99603.

The product of its digits is 20736, while the sum is 33.

The square root of 66483213 is about 8153.7238731760. The cubic root of 66483213 is about 405.1078572665.

The spelling of 66483213 in words is "sixty-six million, four hundred eighty-three thousand, two hundred thirteen".