2666002999 has 16 divisors (see below), whose sum is σ = 2957988096. Its totient is φ = 2382624000.

The previous prime is 2666002981. The next prime is 2666003003. The reversal of 2666002999 is 9992006662.

It is a cyclic number.

It is not a de Polignac number, because 2666002999 - 2²¹ = 2663905847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666002919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152844 + ... + 169390.

It is an arithmetic number, because the mean of its divisors is an integer number (184874256).

Almost surely, 2^2666002999 is an apocalyptic number.

2666002999 is a deficient number, since it is larger than the sum of its proper divisors (291985097).

2666002999 is a wasteful number, since it uses less digits than its factorization.

2666002999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16806.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 2666002999 is about 51633.3516150172. The cubic root of 2666002999 is about 1386.6074987916.

The spelling of 2666002999 in words is "two billion, six hundred sixty-six million, two thousand, nine hundred ninety-nine".