13775165166287 has 32 divisors (see below), whose sum is σ = 17151271217280. Its totient is φ = 10792406200320.

The previous prime is 13775165166271. The next prime is 13775165166293. The reversal of 13775165166287 is 78266156157731.

It is a cyclic number.

It is not a de Polignac number, because 13775165166287 - 2⁴ = 13775165166271 is a prime.

It is a super-2 number, since 2×13775165166287² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13775165166227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509462 + ... + 5273507.

It is an arithmetic number, because the mean of its divisors is an integer number (535977225540).

Almost surely, 2^{13775165166287} is an apocalyptic number.

13775165166287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13775165166287 is a deficient number, since it is larger than the sum of its proper divisors (3376106050993).

13775165166287 is a wasteful number, since it uses less digits than its factorization.

13775165166287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5783571.

The product of its digits is 88905600, while the sum is 65.

The spelling of 13775165166287 in words is "thirteen trillion, seven hundred seventy-five billion, one hundred sixty-five million, one hundred sixty-six thousand, two hundred eighty-seven".