66083307 has 16 divisors (see below), whose sum is σ = 89690112. Its totient is φ = 43273440.

The previous prime is 66083299. The next prime is 66083317. The reversal of 66083307 is 70338066.

It is a happy number.

It is not a de Polignac number, because 66083307 - 2³ = 66083299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66083317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39957 + ... + 41577.

It is an arithmetic number, because the mean of its divisors is an integer number (5605632).

Almost surely, 2^66083307 is an apocalyptic number.

66083307 is a deficient number, since it is larger than the sum of its proper divisors (23606805).

66083307 is a wasteful number, since it uses less digits than its factorization.

66083307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 66083307 is about 8129.1639791555. The cubic root of 66083307 is about 404.2939626849.

The spelling of 66083307 in words is "sixty-six million, eighty-three thousand, three hundred seven".