2666145 has 8 divisors (see below), whose sum is σ = 4265856. Its totient is φ = 1421936.

The previous prime is 2666141. The next prime is 2666177. The reversal of 2666145 is 5416662.

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

It is a cyclic number.

It is not a de Polignac number, because 2666145 - 2² = 2666141 is a prime.

It is a super-2 number, since 2×2666145² = 14216658322050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666141) 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, 88857 + ... + 88886.

It is an arithmetic number, because the mean of its divisors is an integer number (533232).

2^2666145 is an apocalyptic number.

It is an amenable number.

2666145 is a deficient number, since it is larger than the sum of its proper divisors (1599711).

2666145 is a wasteful number, since it uses less digits than its factorization.

2666145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177751.

The product of its digits is 8640, while the sum is 30.

The square root of 2666145 is about 1632.8334268994. The cubic root of 2666145 is about 138.6632116938.

The spelling of 2666145 in words is "two million, six hundred sixty-six thousand, one hundred forty-five".