2045166 has 16 divisors (see below), whose sum is σ = 4185984. Its totient is φ = 665784.

The previous prime is 2045129. The next prime is 2045177. The reversal of 2045166 is 6615402.

2045166 = T₆₀ + T₆₁ + ... + T₂₃₁.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3706 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (261624).

2^2045166 is an apocalyptic number.

2045166 is an abundant number, since it is smaller than the sum of its proper divisors (2140818).

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

2045166 is a wasteful number, since it uses less digits than its factorization.

2045166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2045166 is about 1430.0930039686. The cubic root of 2045166 is about 126.9334803650.

It can be divided in two parts, 2045 and 166, that added together give a triangular number (2211 = T₆₆).

The spelling of 2045166 in words is "two million, forty-five thousand, one hundred sixty-six".