2173105158 has 32 divisors (see below), whose sum is σ = 5013529344. Its totient is φ = 615083232.

The previous prime is 2173105157. The next prime is 2173105213. The reversal of 2173105158 is 8515013712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173105153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237285 + ... + 246272.

It is an arithmetic number, because the mean of its divisors is an integer number (156672792).

Almost surely, 2^2173105158 is an apocalyptic number.

2173105158 is an abundant number, since it is smaller than the sum of its proper divisors (2840424186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2173105158 is a wasteful number, since it uses less digits than its factorization.

2173105158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483676.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 2173105158 is about 46616.5760003885. The cubic root of 2173105158 is about 1295.2698230766.

The spelling of 2173105158 in words is "two billion, one hundred seventy-three million, one hundred five thousand, one hundred fifty-eight".