5165167138278 has 16 divisors (see below), whose sum is σ = 11806096316160. Its totient is φ = 1475762039496.

The previous prime is 5165167138123. The next prime is 5165167138297. The reversal of 5165167138278 is 8728317615615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61490084938 + ... + 61490085021.

It is an arithmetic number, because the mean of its divisors is an integer number (737881019760).

Almost surely, 2^{5165167138278} is an apocalyptic number.

5165167138278 is an abundant number, since it is smaller than the sum of its proper divisors (6640929177882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5165167138278 is a wasteful number, since it uses less digits than its factorization.

5165167138278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122980169971.

The product of its digits is 16934400, while the sum is 60.

The spelling of 5165167138278 in words is "five trillion, one hundred sixty-five billion, one hundred sixty-seven million, one hundred thirty-eight thousand, two hundred seventy-eight".