51603867167 has 2 divisors, whose sum is σ = 51603867168. Its totient is φ = 51603867166.

The previous prime is 51603867127. The next prime is 51603867179. The reversal of 51603867167 is 76176830615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51603867167 - 2⁶ = 51603867103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51603867127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25801933583 + 25801933584.

It is an arithmetic number, because the mean of its divisors is an integer number (25801933584).

Almost surely, 2^51603867167 is an apocalyptic number.

51603867167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51603867167 is an equidigital number, since it uses as much as digits as its factorization.

51603867167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 51603867167 in words is "fifty-one billion, six hundred three million, eight hundred sixty-seven thousand, one hundred sixty-seven".