2666596 has 6 divisors (see below), whose sum is σ = 4666550. Its totient is φ = 1333296.

The previous prime is 2666591. The next prime is 2666633. The reversal of 2666596 is 6956662.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 1028196 = 1280^2 + 1014^2 .

It is a super-2 number, since 2×2666596² = 14221468454432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333321 + ... + 333328.

2^2666596 is an apocalyptic number.

It is an amenable number.

2666596 is a deficient number, since it is larger than the sum of its proper divisors (1999954).

2666596 is a wasteful number, since it uses less digits than its factorization.

2666596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666653 (or 666651 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 2666596 is about 1632.9715245527. The cubic root of 2666596 is about 138.6710299211.

The spelling of 2666596 in words is "two million, six hundred sixty-six thousand, five hundred ninety-six".