65606145191 has 2 divisors, whose sum is σ = 65606145192. Its totient is φ = 65606145190.

The previous prime is 65606145179. The next prime is 65606145299. The reversal of 65606145191 is 19154160656.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65606145191 - 2³⁰ = 64532403367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65606145791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32803072595 + 32803072596.

It is an arithmetic number, because the mean of its divisors is an integer number (32803072596).

Almost surely, 2^65606145191 is an apocalyptic number.

65606145191 is a deficient number, since it is larger than the sum of its proper divisors (1).

65606145191 is an equidigital number, since it uses as much as digits as its factorization.

65606145191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 65606145191 in words is "sixty-five billion, six hundred six million, one hundred forty-five thousand, one hundred ninety-one".