2173161884 has 24 divisors (see below), whose sum is σ = 4086850320. Its totient is φ = 1007398656.

The previous prime is 2173161869. The next prime is 2173161911. The reversal of 2173161884 is 4881613712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233939 + ... + 243050.

It is an arithmetic number, because the mean of its divisors is an integer number (170285430).

Almost surely, 2^2173161884 is an apocalyptic number.

It is an amenable number.

2173161884 is a deficient number, since it is larger than the sum of its proper divisors (1913688436).

2173161884 is a wasteful number, since it uses less digits than its factorization.

2173161884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477077 (or 477075 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 2173161884 is about 46617.1844280626. The cubic root of 2173161884 is about 1295.2810934065.

The spelling of 2173161884 in words is "two billion, one hundred seventy-three million, one hundred sixty-one thousand, eight hundred eighty-four".