66612333 has 8 divisors (see below), whose sum is σ = 91879200. Its totient is φ = 42876848.

The previous prime is 66612323. The next prime is 66612349. The reversal of 66612333 is 33321666.

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

It is not a de Polignac number, because 66612333 - 2¹⁰ = 66611309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66612333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66612313) 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, 382743 + ... + 382916.

It is an arithmetic number, because the mean of its divisors is an integer number (11484900).

Almost surely, 2^66612333 is an apocalyptic number.

It is an amenable number.

66612333 is a deficient number, since it is larger than the sum of its proper divisors (25266867).

66612333 is a wasteful number, since it uses less digits than its factorization.

66612333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765691.

The product of its digits is 11664, while the sum is 30.

The square root of 66612333 is about 8161.6378870910. The cubic root of 66612333 is about 405.3699469868.

Adding to 66612333 its reverse (33321666), we get a palindrome (99933999).

The spelling of 66612333 in words is "sixty-six million, six hundred twelve thousand, three hundred thirty-three".