2162169316 has 6 divisors (see below), whose sum is σ = 3783796310. Its totient is φ = 1081084656.

The previous prime is 2162169313. The next prime is 2162169323. The reversal of 2162169316 is 6139612612.

It can be written as a sum of positive squares in only one way, i.e., 1940754916 + 221414400 = 44054^2 + 14880^2 .

It is not an unprimeable number, because it can be changed into a prime (2162169311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270271161 + ... + 270271168.

Almost surely, 2^2162169316 is an apocalyptic number.

It is an amenable number.

2162169316 is a deficient number, since it is larger than the sum of its proper divisors (1621626994).

2162169316 is a wasteful number, since it uses less digits than its factorization.

2162169316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540542333 (or 540542331 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 2162169316 is about 46499.1324220141. The cubic root of 2162169316 is about 1293.0934145667.

The spelling of 2162169316 in words is "two billion, one hundred sixty-two million, one hundred sixty-nine thousand, three hundred sixteen".