2166192 has 90 divisors (see below), whose sum is σ = 7075068. Its totient is φ = 616896.

The previous prime is 2166179. The next prime is 2166221. The reversal of 2166192 is 2916612.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6903 + ... + 7209.

2^2166192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2166192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3537534).

2166192 is an abundant number, since it is smaller than the sum of its proper divisors (4908876).

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

2166192 is a wasteful number, since it uses less digits than its factorization.

2166192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 319 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 2166192 is about 1471.7988993066. The cubic root of 2166192 is about 129.3894844807.

The spelling of 2166192 in words is "two million, one hundred sixty-six thousand, one hundred ninety-two".