2666553200 has 30 divisors (see below), whose sum is σ = 6406395024. Its totient is φ = 1066621120.

The previous prime is 2666553199. The next prime is 2666553221. The reversal of 2666553200 is 23556662.

It is a super-2 number, since 2×2666553200² = 14221011936860480000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3332792 + ... + 3333591.

Almost surely, 2^2666553200 is an apocalyptic number.

2666553200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666553200 is an abundant number, since it is smaller than the sum of its proper divisors (3739841824).

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

2666553200 is a wasteful number, since it uses less digits than its factorization.

2666553200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666401 (or 6666390 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2666553200 is about 51638.6793014694. The cubic root of 2666553200 is about 1386.7028800742.

The spelling of 2666553200 in words is "two billion, six hundred sixty-six million, five hundred fifty-three thousand, two hundred".