66233265 has 32 divisors (see below), whose sum is σ = 122785536. Its totient is φ = 29859840.

The previous prime is 66233239. The next prime is 66233311. The reversal of 66233265 is 56233266.

It is not a de Polignac number, because 66233265 - 2¹² = 66229169 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3345 + ... + 11985.

It is an arithmetic number, because the mean of its divisors is an integer number (3837048).

Almost surely, 2^66233265 is an apocalyptic number.

It is an amenable number.

66233265 is a deficient number, since it is larger than the sum of its proper divisors (56552271).

66233265 is a wasteful number, since it uses less digits than its factorization.

66233265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8729.

The product of its digits is 38880, while the sum is 33.

The square root of 66233265 is about 8138.3822102430. The cubic root of 66233265 is about 404.5995431996.

Subtracting from 66233265 its reverse (56233266), we obtain a palindrome (9999999).

The spelling of 66233265 in words is "sixty-six million, two hundred thirty-three thousand, two hundred sixty-five".