2146172727 has 16 divisors (see below), whose sum is σ = 2893752288. Its totient is φ = 1414748160.

The previous prime is 2146172719. The next prime is 2146172729. The reversal of 2146172727 is 7272716412.

It is not a de Polignac number, because 2146172727 - 2³ = 2146172719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146172729) 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, 139477 + ... + 154097.

It is an arithmetic number, because the mean of its divisors is an integer number (180859518).

Almost surely, 2^2146172727 is an apocalyptic number.

2146172727 is a deficient number, since it is larger than the sum of its proper divisors (747579561).

2146172727 is a wasteful number, since it uses less digits than its factorization.

2146172727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15170.

The product of its digits is 65856, while the sum is 39.

The square root of 2146172727 is about 46326.8035482700. The cubic root of 2146172727 is about 1289.8965778513.

The spelling of 2146172727 in words is "two billion, one hundred forty-six million, one hundred seventy-two thousand, seven hundred twenty-seven".