2161190 has 8 divisors (see below), whose sum is σ = 3890160. Its totient is φ = 864472.

The previous prime is 2161189. The next prime is 2161199. The reversal of 2161190 is 911612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2161190² = 9341484432200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108050 + ... + 108069.

It is an arithmetic number, because the mean of its divisors is an integer number (486270).

2^2161190 is an apocalyptic number.

2161190 is a deficient number, since it is larger than the sum of its proper divisors (1728970).

2161190 is a wasteful number, since it uses less digits than its factorization.

2161190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216126.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2161190 is about 1470.0986361466. The cubic root of 2161190 is about 129.2898157224.

The spelling of 2161190 in words is "two million, one hundred sixty-one thousand, one hundred ninety".