51166168 has 32 divisors (see below), whose sum is σ = 100488960. Its totient is φ = 24377760.

The previous prime is 51166163. The next prime is 51166169. The reversal of 51166168 is 86166115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166163) 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, 89323 + ... + 89893.

It is an arithmetic number, because the mean of its divisors is an integer number (3140280).

Almost surely, 2^51166168 is an apocalyptic number.

It is an amenable number.

51166168 is a deficient number, since it is larger than the sum of its proper divisors (49322792).

51166168 is a wasteful number, since it uses less digits than its factorization.

51166168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1083 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 51166168 is about 7153.0530544656. The cubic root of 51166168 is about 371.2453000044.

The spelling of 51166168 in words is "fifty-one million, one hundred sixty-six thousand, one hundred sixty-eight".