83166425 has 12 divisors (see below), whose sum is σ = 103245996. Its totient is φ = 66456000.

The previous prime is 83166407. The next prime is 83166437. The reversal of 83166425 is 52466138.

It can be written as a sum of positive squares in 6 ways, for example, as 22762441 + 60403984 = 4771^2 + 7772^2 .

It is not a de Polignac number, because 83166425 - 2⁶ = 83166361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31247 + ... + 33803.

It is an arithmetic number, because the mean of its divisors is an integer number (8603833).

Almost surely, 2^83166425 is an apocalyptic number.

It is an amenable number.

83166425 is a deficient number, since it is larger than the sum of its proper divisors (20079571).

83166425 is a wasteful number, since it uses less digits than its factorization.

83166425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3863 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 83166425 is about 9119.5627636417. The cubic root of 83166425 is about 436.4984217400.

It can be divided in two parts, 8316 and 6425, that added together give a palindrome (14741).

The spelling of 83166425 in words is "eighty-three million, one hundred sixty-six thousand, four hundred twenty-five".