75755120336165 has 16 divisors (see below), whose sum is σ = 90997744042800. Its totient is φ = 60543031836672.

The previous prime is 75755120336149. The next prime is 75755120336173. The reversal of 75755120336165 is 56163302155757.

It can be written as a sum of positive squares in 8 ways, for example, as 8786724706081 + 66968395630084 = 2964241^2 + 8183422^2 .

It is a cyclic number.

It is not a de Polignac number, because 75755120336165 - 2⁴ = 75755120336149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75755120336165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526469669 + ... + 526613541.

It is an arithmetic number, because the mean of its divisors is an integer number (5687359002675).

Almost surely, 2^{75755120336165} is an apocalyptic number.

It is an amenable number.

75755120336165 is a deficient number, since it is larger than the sum of its proper divisors (15242623706635).

75755120336165 is a wasteful number, since it uses less digits than its factorization.

75755120336165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249256.

The product of its (nonzero) digits is 19845000, while the sum is 56.

The spelling of 75755120336165 in words is "seventy-five trillion, seven hundred fifty-five billion, one hundred twenty million, three hundred thirty-six thousand, one hundred sixty-five".