8434167221125 has 16 divisors (see below), whose sum is σ = 10534708476864. Its totient is φ = 6741649299600.

The previous prime is 8434167221113. The next prime is 8434167221257. The reversal of 8434167221125 is 5211227614348.

It is a happy number.

It is not a de Polignac number, because 8434167221125 - 2²⁹ = 8433630350213 is a prime.

It is a super-2 number, since 2×8434167221125² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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, 28273419 + ... + 28570168.

It is an arithmetic number, because the mean of its divisors is an integer number (658419279804).

Almost surely, 2^{8434167221125} is an apocalyptic number.

It is an amenable number.

8434167221125 is a deficient number, since it is larger than the sum of its proper divisors (2100541255739).

8434167221125 is a wasteful number, since it uses less digits than its factorization.

8434167221125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56844789 (or 56844779 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The spelling of 8434167221125 in words is "eight trillion, four hundred thirty-four billion, one hundred sixty-seven million, two hundred twenty-one thousand, one hundred twenty-five".