66833007 has 16 divisors (see below), whose sum is σ = 90222720. Its totient is φ = 44003232.

The previous prime is 66832991. The next prime is 66833027. The reversal of 66833007 is 70033866.

It is a happy number.

It is not a de Polignac number, because 66833007 - 2⁴ = 66832991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66833027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121908 + ... + 122454.

It is an arithmetic number, because the mean of its divisors is an integer number (5638920).

Almost surely, 2^66833007 is an apocalyptic number.

66833007 is a deficient number, since it is larger than the sum of its proper divisors (23389713).

66833007 is a wasteful number, since it uses less digits than its factorization.

66833007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982.

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

The square root of 66833007 is about 8175.1456867753. The cubic root of 66833007 is about 405.8170914470.

The spelling of 66833007 in words is "sixty-six million, eight hundred thirty-three thousand, seven".