2666953288 has 16 divisors (see below), whose sum is σ = 5011486380. Its totient is φ = 1330556928.

The previous prime is 2666953283. The next prime is 2666953301. The reversal of 2666953288 is 8823596662.

It can be written as a sum of positive squares in 2 ways, for example, as 2319578244 + 347375044 = 48162^2 + 18638^2 .

It is a super-2 number, since 2×2666953288² = 14225279680748021888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666953283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361081 + ... + 368392.

Almost surely, 2^2666953288 is an apocalyptic number.

It is an amenable number.

2666953288 is a deficient number, since it is larger than the sum of its proper divisors (2344533092).

2666953288 is a wasteful number, since it uses less digits than its factorization.

2666953288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729936 (or 729932 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The square root of 2666953288 is about 51642.5530739912. The cubic root of 2666953288 is about 1386.7722299546.

The spelling of 2666953288 in words is "two billion, six hundred sixty-six million, nine hundred fifty-three thousand, two hundred eighty-eight".