66846125 has 32 divisors (see below), whose sum is σ = 89631360. Its totient is φ = 49593600.

The previous prime is 66846121. The next prime is 66846151. The reversal of 66846125 is 52164866.

It is not a de Polignac number, because 66846125 - 2² = 66846121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66846121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176186 + ... + 176564.

It is an arithmetic number, because the mean of its divisors is an integer number (2800980).

Almost surely, 2^66846125 is an apocalyptic number.

It is an amenable number.

66846125 is a deficient number, since it is larger than the sum of its proper divisors (22785235).

66846125 is a wasteful number, since it uses less digits than its factorization.

66846125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 484 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 66846125 is about 8175.9479572708. The cubic root of 66846125 is about 405.8436410048.

The spelling of 66846125 in words is "sixty-six million, eight hundred forty-six thousand, one hundred twenty-five".