2146642173 has 96 divisors (see below), whose sum is σ = 3811167360. Its totient is φ = 1149603840.

The previous prime is 2146642171. The next prime is 2146642181. The reversal of 2146642173 is 3712466412.

2146642173 is a `hidden beast` number, since 2 + 1 + 4 + 6 + 642 + 1 + 7 + 3 = 666.

It is not a de Polignac number, because 2146642173 - 2¹ = 2146642171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146642171) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1624353 + ... + 1625673.

It is an arithmetic number, because the mean of its divisors is an integer number (39699660).

Almost surely, 2^2146642173 is an apocalyptic number.

It is an amenable number.

2146642173 is a deficient number, since it is larger than the sum of its proper divisors (1664525187).

2146642173 is a wasteful number, since it uses less digits than its factorization.

2146642173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1416 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2146642173 is about 46331.8699493124. The cubic root of 2146642173 is about 1289.9906200868.

The spelling of 2146642173 in words is "two billion, one hundred forty-six million, six hundred forty-two thousand, one hundred seventy-three".