51265166 has 16 divisors (see below), whose sum is σ = 81597456. Its totient is φ = 24072576.

The previous prime is 51265163. The next prime is 51265171. The reversal of 51265166 is 66156215.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51265163) 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, 17585 + ... + 20291.

It is an arithmetic number, because the mean of its divisors is an integer number (5099841).

Almost surely, 2^51265166 is an apocalyptic number.

51265166 is a deficient number, since it is larger than the sum of its proper divisors (30332290).

51265166 is a wasteful number, since it uses less digits than its factorization.

51265166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its digits is 10800, while the sum is 32.

The square root of 51265166 is about 7159.9696926733. The cubic root of 51265166 is about 371.4845783253.

The spelling of 51265166 in words is "fifty-one million, two hundred sixty-five thousand, one hundred sixty-six".