2106158 has 4 divisors (see below), whose sum is σ = 3159240. Its totient is φ = 1053078.

The previous prime is 2106149. The next prime is 2106173. The reversal of 2106158 is 8516012.

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

It is a Curzon number.

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, 526538 + ... + 526541.

It is an arithmetic number, because the mean of its divisors is an integer number (789810).

2^2106158 is an apocalyptic number.

2106158 is a deficient number, since it is larger than the sum of its proper divisors (1053082).

2106158 is a wasteful number, since it uses less digits than its factorization.

2106158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053081.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2106158 is about 1451.2608311396. The cubic root of 2106158 is about 128.1829658792.

The spelling of 2106158 in words is "two million, one hundred six thousand, one hundred fifty-eight".