2146517165 has 24 divisors (see below), whose sum is σ = 2792890368. Its totient is φ = 1583025600.

The previous prime is 2146517147. The next prime is 2146517167. The reversal of 2146517165 is 5617156412.

It is not a de Polignac number, because 2146517165 - 2⁸ = 2146516909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146517167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 971492 + ... + 973698.

It is an arithmetic number, because the mean of its divisors is an integer number (116370432).

Almost surely, 2^2146517165 is an apocalyptic number.

It is an amenable number.

2146517165 is a deficient number, since it is larger than the sum of its proper divisors (646373203).

2146517165 is a wasteful number, since it uses less digits than its factorization.

2146517165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3389 (or 3376 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The square root of 2146517165 is about 46330.5208798692. The cubic root of 2146517165 is about 1289.9655790747.

The spelling of 2146517165 in words is "two billion, one hundred forty-six million, five hundred seventeen thousand, one hundred sixty-five".