2161332076 has 6 divisors (see below), whose sum is σ = 3782331140. Its totient is φ = 1080666036.

The previous prime is 2161332071. The next prime is 2161332079. The reversal of 2161332076 is 6702331612.

It is not an unprimeable number, because it can be changed into a prime (2161332071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270166506 + ... + 270166513.

Almost surely, 2^2161332076 is an apocalyptic number.

It is an amenable number.

2161332076 is a deficient number, since it is larger than the sum of its proper divisors (1620999064).

2161332076 is a wasteful number, since it uses less digits than its factorization.

2161332076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540333023 (or 540333021 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2161332076 is about 46490.1288017145. The cubic root of 2161332076 is about 1292.9264881853.

Adding to 2161332076 its reverse (6702331612), we get a palindrome (8863663688).

The spelling of 2161332076 in words is "two billion, one hundred sixty-one million, three hundred thirty-two thousand, seventy-six".