65165291150977 has 2 divisors, whose sum is σ = 65165291150978. Its totient is φ = 65165291150976.

The previous prime is 65165291150893. The next prime is 65165291150987. The reversal of 65165291150977 is 77905119256156.

65165291150977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44647734154816 + 20517556996161 = 6681896^2 + 4529631^2 .

It is a cyclic number.

It is not a de Polignac number, because 65165291150977 - 2⁷ = 65165291150849 is a prime.

It is not a weakly prime, because it can be changed into another prime (65165291150987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32582645575488 + 32582645575489.

It is an arithmetic number, because the mean of its divisors is an integer number (32582645575489).

Almost surely, 2^{65165291150977} is an apocalyptic number.

It is an amenable number.

65165291150977 is a deficient number, since it is larger than the sum of its proper divisors (1).

65165291150977 is an equidigital number, since it uses as much as digits as its factorization.

65165291150977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721000, while the sum is 64.

The spelling of 65165291150977 in words is "sixty-five trillion, one hundred sixty-five billion, two hundred ninety-one million, one hundred fifty thousand, nine hundred seventy-seven".