51616610107 has 2 divisors, whose sum is σ = 51616610108. Its totient is φ = 51616610106.

The previous prime is 51616610099. The next prime is 51616610113. The reversal of 51616610107 is 70101661615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51616610107 - 2³ = 51616610099 is a prime.

It is not a weakly prime, because it can be changed into another prime (51616610147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25808305053 + 25808305054.

It is an arithmetic number, because the mean of its divisors is an integer number (25808305054).

Almost surely, 2^51616610107 is an apocalyptic number.

51616610107 is a deficient number, since it is larger than the sum of its proper divisors (1).

51616610107 is an equidigital number, since it uses as much as digits as its factorization.

51616610107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 51616610107 in words is "fifty-one billion, six hundred sixteen million, six hundred ten thousand, one hundred seven".