2126168047 has 8 divisors (see below), whose sum is σ = 2234574720. Its totient is φ = 2019091800.

The previous prime is 2126168029. The next prime is 2126168071. The reversal of 2126168047 is 7408616212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2126168047 - 2⁷ = 2126167919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2126167997 and 2126168015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126168027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329329 + ... + 335722.

It is an arithmetic number, because the mean of its divisors is an integer number (279321840).

Almost surely, 2^2126168047 is an apocalyptic number.

2126168047 is a deficient number, since it is larger than the sum of its proper divisors (108406673).

2126168047 is a wasteful number, since it uses less digits than its factorization.

2126168047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665213.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 2126168047 is about 46110.3897944921. The cubic root of 2126168047 is about 1285.8763112215.

The spelling of 2126168047 in words is "two billion, one hundred twenty-six million, one hundred sixty-eight thousand, forty-seven".