2162158 has 4 divisors (see below), whose sum is σ = 3243240. Its totient is φ = 1081078.

The previous prime is 2162137. The next prime is 2162177. The reversal of 2162158 is 8512612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540538 + ... + 540541.

It is an arithmetic number, because the mean of its divisors is an integer number (810810).

2^2162158 is an apocalyptic number.

2162158 is a deficient number, since it is larger than the sum of its proper divisors (1081082).

2162158 is a wasteful number, since it uses less digits than its factorization.

2162158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081081.

The product of its digits is 960, while the sum is 25.

The square root of 2162158 is about 1470.4278288988. The cubic root of 2162158 is about 129.3091158704.

The spelling of 2162158 in words is "two million, one hundred sixty-two thousand, one hundred fifty-eight".