2666066 has 24 divisors (see below), whose sum is σ = 4486692. Its totient is φ = 1180800.

The previous prime is 2666051. The next prime is 2666071. The reversal of 2666066 is 6606662.

It can be written as a sum of positive squares in 6 ways, for example, as 198025 + 2468041 = 445^2 + 1571^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43676 + ... + 43736.

2^2666066 is an apocalyptic number.

2666066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2666066 is a deficient number, since it is larger than the sum of its proper divisors (1820626).

2666066 is a wasteful number, since it uses less digits than its factorization.

2666066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2666066 is about 1632.8092356427. The cubic root of 2666066 is about 138.6618421131.

The spelling of 2666066 in words is "two million, six hundred sixty-six thousand, sixty-six".