51121166 has 8 divisors (see below), whose sum is σ = 77426544. Its totient is φ = 25312320.

The previous prime is 51121163. The next prime is 51121237. The reversal of 51121166 is 66112115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51121166² = 5226747226399112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51121163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123875 + ... + 124286.

It is an arithmetic number, because the mean of its divisors is an integer number (9678318).

Almost surely, 2^51121166 is an apocalyptic number.

51121166 is a deficient number, since it is larger than the sum of its proper divisors (26305378).

51121166 is a wasteful number, since it uses less digits than its factorization.

51121166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248266.

The product of its digits is 360, while the sum is 23.

The square root of 51121166 is about 7149.9067126781. The cubic root of 51121166 is about 371.1364280547.

The spelling of 51121166 in words is "fifty-one million, one hundred twenty-one thousand, one hundred sixty-six".