2666800268 has 24 divisors (see below), whose sum is σ = 5390645904. Its totient is φ = 1140876800.

The previous prime is 2666800259. The next prime is 2666800277. The reversal of 2666800268 is 8620086662.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2666800259) and next prime (2666800277).

It is a super-2 number, since 2×2666800268² = 14223647338809743648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781873 + ... + 1783368.

It is an arithmetic number, because the mean of its divisors is an integer number (224610246).

Almost surely, 2^2666800268 is an apocalyptic number.

It is an amenable number.

2666800268 is an abundant number, since it is smaller than the sum of its proper divisors (2723845636).

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

2666800268 is a wasteful number, since it uses less digits than its factorization.

2666800268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565273 (or 3565271 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2666800268 is about 51641.0715225778. The cubic root of 2666800268 is about 1386.7457068122.

The spelling of 2666800268 in words is "two billion, six hundred sixty-six million, eight hundred thousand, two hundred sixty-eight".