265134504066163 has 4 divisors (see below), whose sum is σ = 265141179362160. Its totient is φ = 265127828770168.

The previous prime is 265134504066109. The next prime is 265134504066217. The reversal of 265134504066163 is 361660405431562.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (265134504066109) and next prime (265134504066217).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265134504066163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265134504066163.

It is not an unprimeable number, because it can be changed into a prime (265134504066463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337588420 + ... + 3337667857.

It is an arithmetic number, because the mean of its divisors is an integer number (66285294840540).

Almost surely, 2^{265134504066163} is an apocalyptic number.

265134504066163 is a deficient number, since it is larger than the sum of its proper divisors (6675295997).

265134504066163 is an equidigital number, since it uses as much as digits as its factorization.

265134504066163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675295996.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 265134504066163 in words is "two hundred sixty-five trillion, one hundred thirty-four billion, five hundred four million, sixty-six thousand, one hundred sixty-three".