2666892216 has 32 divisors (see below), whose sum is σ = 6847428240. Its totient is φ = 864937728.

The previous prime is 2666892203. The next prime is 2666892223. The reversal of 2666892216 is 6122986662.

It is a happy number.

It is a super-2 number, since 2×2666892216² = 14224628183522781312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500741 + ... + 1502516.

Almost surely, 2^2666892216 is an apocalyptic number.

It is an amenable number.

2666892216 is an abundant number, since it is smaller than the sum of its proper divisors (4180536024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2666892216 is a wasteful number, since it uses less digits than its factorization.

2666892216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003303 (or 3003299 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 2666892216 is about 51641.9617752850. The cubic root of 2666892216 is about 1386.7616443923.

The spelling of 2666892216 in words is "two billion, six hundred sixty-six million, eight hundred ninety-two thousand, two hundred sixteen".