66233012 has 24 divisors (see below), whose sum is σ = 122519040. Its totient is φ = 31242240.

The previous prime is 66232981. The next prime is 66233021. The reversal of 66233012 is 21033266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17837 + ... + 21227.

It is an arithmetic number, because the mean of its divisors is an integer number (5104960).

Almost surely, 2^66233012 is an apocalyptic number.

It is an amenable number.

66233012 is a deficient number, since it is larger than the sum of its proper divisors (56286028).

66233012 is a wasteful number, since it uses less digits than its factorization.

66233012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671 (or 3669 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 66233012 is about 8138.3666665984. The cubic root of 66233012 is about 404.5990280314.

Adding to 66233012 its reverse (21033266), we get a palindrome (87266278).

The spelling of 66233012 in words is "sixty-six million, two hundred thirty-three thousand, twelve".