51016169 has 2 divisors, whose sum is σ = 51016170. Its totient is φ = 51016168.

The previous prime is 51016153. The next prime is 51016193. The reversal of 51016169 is 96161015.

51016169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29300569 + 21715600 = 5413^2 + 4660^2 .

It is a cyclic number.

It is not a de Polignac number, because 51016169 - 2⁴ = 51016153 is a prime.

It is a super-2 number, since 2×51016169² = 5205298998873122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51013169) by changing a digit.

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 as a sum of consecutive naturals, namely, 25508084 + 25508085.

It is an arithmetic number, because the mean of its divisors is an integer number (25508085).

Almost surely, 2^51016169 is an apocalyptic number.

It is an amenable number.

51016169 is a deficient number, since it is larger than the sum of its proper divisors (1).

51016169 is an equidigital number, since it uses as much as digits as its factorization.

51016169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 51016169 is about 7142.5603952644. The cubic root of 51016169 is about 370.8821633745.

The spelling of 51016169 in words is "fifty-one million, sixteen thousand, one hundred sixty-nine".