2166050 has 12 divisors (see below), whose sum is σ = 4028946. Its totient is φ = 866400.

The previous prime is 2166041. The next prime is 2166053. The reversal of 2166050 is 506612.

It can be written as a sum of positive squares in 3 ways, for example, as 1957201 + 208849 = 1399^2 + 457^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2166053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21611 + ... + 21710.

2^2166050 is an apocalyptic number.

2166050 is a deficient number, since it is larger than the sum of its proper divisors (1862896).

2166050 is a wasteful number, since it uses less digits than its factorization.

2166050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43333 (or 43328 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2166050 is about 1471.7506582299. The cubic root of 2166050 is about 129.3866571369.

The spelling of 2166050 in words is "two million, one hundred sixty-six thousand, fifty".