65168078147 has 2 divisors, whose sum is σ = 65168078148. Its totient is φ = 65168078146.

The previous prime is 65168078081. The next prime is 65168078159. The reversal of 65168078147 is 74187086156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65168078147 - 2¹⁰ = 65168077123 is a prime.

It is not a weakly prime, because it can be changed into another prime (65168078747) 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, 32584039073 + 32584039074.

It is an arithmetic number, because the mean of its divisors is an integer number (32584039074).

Almost surely, 2^65168078147 is an apocalyptic number.

65168078147 is a deficient number, since it is larger than the sum of its proper divisors (1).

65168078147 is an equidigital number, since it uses as much as digits as its factorization.

65168078147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 65168078147 in words is "sixty-five billion, one hundred sixty-eight million, seventy-eight thousand, one hundred forty-seven".