2168146 has 16 divisors (see below), whose sum is σ = 3525984. Its totient is φ = 995904.

The previous prime is 2168143. The next prime is 2168149. The reversal of 2168146 is 6418612.

It is an interprime number because it is at equal distance from previous prime (2168143) and next prime (2168149).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2168143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (220374).

2^2168146 is an apocalyptic number.

2168146 is a deficient number, since it is larger than the sum of its proper divisors (1357838).

2168146 is a wasteful number, since it uses less digits than its factorization.

2168146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545.

The product of its digits is 2304, while the sum is 28.

The square root of 2168146 is about 1472.4625631913. The cubic root of 2168146 is about 129.4283777813.

The spelling of 2168146 in words is "two million, one hundred sixty-eight thousand, one hundred forty-six".