14278066165 has 16 divisors (see below), whose sum is σ = 19790775360. Its totient is φ = 9773221120.

The previous prime is 14278066067. The next prime is 14278066169. The reversal of 14278066165 is 56166087241.

It is not a de Polignac number, because 14278066165 - 2⁷ = 14278066037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14278066169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7634395 + ... + 7636264.

It is an arithmetic number, because the mean of its divisors is an integer number (1236923460).

Almost surely, 2^14278066165 is an apocalyptic number.

It is an amenable number.

14278066165 is a deficient number, since it is larger than the sum of its proper divisors (5512709195).

14278066165 is a wasteful number, since it uses less digits than its factorization.

14278066165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270692.

The product of its (nonzero) digits is 483840, while the sum is 46.

It can be divided in two parts, 1427806 and 6165, that added together give a triangular number (1433971 = T₁₆₉₃).

The spelling of 14278066165 in words is "fourteen billion, two hundred seventy-eight million, sixty-six thousand, one hundred sixty-five".