51636166 has 16 divisors (see below), whose sum is σ = 78534144. Its totient is φ = 25460424.

The previous prime is 51636161. The next prime is 51636199. The reversal of 51636166 is 66163615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51636161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75261 + ... + 75943.

It is an arithmetic number, because the mean of its divisors is an integer number (4908384).

Almost surely, 2^51636166 is an apocalyptic number.

51636166 is a deficient number, since it is larger than the sum of its proper divisors (26897978).

51636166 is a wasteful number, since it uses less digits than its factorization.

51636166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its digits is 19440, while the sum is 34.

The square root of 51636166 is about 7185.8309192466. The cubic root of 51636166 is about 372.3785553684.

The spelling of 51636166 in words is "fifty-one million, six hundred thirty-six thousand, one hundred sixty-six".