2080666 has 16 divisors (see below), whose sum is σ = 3585600. Its totient is φ = 887040.

The previous prime is 2080657. The next prime is 2080667. The reversal of 2080666 is 6660802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2080667) 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, 4410 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (224100).

2^2080666 is an apocalyptic number.

2080666 is a deficient number, since it is larger than the sum of its proper divisors (1504934).

2080666 is a wasteful number, since it uses less digits than its factorization.

2080666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2080666 is about 1442.4513856626. The cubic root of 2080666 is about 127.6637087152.

It can be divided in two parts, 2080 and 666, that multiplied together give a triangular number (1385280 = T₁₆₆₄).

The spelling of 2080666 in words is "two million, eighty thousand, six hundred sixty-six".