66364333 has 4 divisors (see below), whose sum is σ = 75844960. Its totient is φ = 56883708.

The previous prime is 66364327. The next prime is 66364343. The reversal of 66364333 is 33346366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 66364333 - 2⁵ = 66364301 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 (66364303) 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, 4740303 + ... + 4740316.

It is an arithmetic number, because the mean of its divisors is an integer number (18961240).

Almost surely, 2^66364333 is an apocalyptic number.

It is an amenable number.

66364333 is a deficient number, since it is larger than the sum of its proper divisors (9480627).

66364333 is an equidigital number, since it uses as much as digits as its factorization.

66364333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9480626.

The product of its digits is 69984, while the sum is 34.

The square root of 66364333 is about 8146.4306907995. The cubic root of 66364333 is about 404.8662526404.

The spelling of 66364333 in words is "sixty-six million, three hundred sixty-four thousand, three hundred thirty-three".