2172035164 has 48 divisors (see below), whose sum is σ = 4165611520. Its totient is φ = 984934080.

The previous prime is 2172035149. The next prime is 2172035167. The reversal of 2172035164 is 4615302712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172035167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 914899 + ... + 917269.

Almost surely, 2^2172035164 is an apocalyptic number.

It is an amenable number.

2172035164 is a deficient number, since it is larger than the sum of its proper divisors (1993576356).

2172035164 is a wasteful number, since it uses less digits than its factorization.

2172035164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2172035164 is about 46605.0980473167. The cubic root of 2172035164 is about 1295.0571997612.

Adding to 2172035164 its reverse (4615302712), we get a palindrome (6787337876).

The spelling of 2172035164 in words is "two billion, one hundred seventy-two million, thirty-five thousand, one hundred sixty-four".