51164333183 has 2 divisors, whose sum is σ = 51164333184. Its totient is φ = 51164333182.

The previous prime is 51164333161. The next prime is 51164333239. The reversal of 51164333183 is 38133346115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51164333183 - 2⁸ = 51164332927 is a prime.

It is a super-2 number, since 2×51164333183² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51164333113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25582166591 + 25582166592.

It is an arithmetic number, because the mean of its divisors is an integer number (25582166592).

Almost surely, 2^51164333183 is an apocalyptic number.

51164333183 is a deficient number, since it is larger than the sum of its proper divisors (1).

51164333183 is an equidigital number, since it uses as much as digits as its factorization.

51164333183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

Adding to 51164333183 its reverse (38133346115), we get a palindrome (89297679298).

The spelling of 51164333183 in words is "fifty-one billion, one hundred sixty-four million, three hundred thirty-three thousand, one hundred eighty-three".