2660001200 has 30 divisors (see below), whose sum is σ = 6390653844. Its totient is φ = 1064000320.

The previous prime is 2660001131. The next prime is 2660001247. The reversal of 2660001200 is 21000662.

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, 3324602 + ... + 3325401.

Almost surely, 2^2660001200 is an apocalyptic number.

2660001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660001200 is an abundant number, since it is smaller than the sum of its proper divisors (3730652644).

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

2660001200 is a wasteful number, since it uses less digits than its factorization.

2660001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650021 (or 6650010 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2660001200 is about 51575.1994664102. The cubic root of 2660001200 is about 1385.5661905916.

Adding to 2660001200 its reverse (21000662), we get a palindrome (2681001862).

The spelling of 2660001200 in words is "two billion, six hundred sixty million, one thousand, two hundred".