2660733628 has 24 divisors (see below), whose sum is σ = 5601545600. Its totient is φ = 1080297648.

The previous prime is 2660733619. The next prime is 2660733629. The reversal of 2660733628 is 8263370662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660733629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500158 + ... + 2501221.

Almost surely, 2^2660733628 is an apocalyptic number.

2660733628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2660733628 is an abundant number, since it is smaller than the sum of its proper divisors (2940811972).

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

2660733628 is a wasteful number, since it uses less digits than its factorization.

2660733628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001409 (or 5001407 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 2660733628 is about 51582.2995609928. The cubic root of 2660733628 is about 1385.6933502265.

The spelling of 2660733628 in words is "two billion, six hundred sixty million, seven hundred thirty-three thousand, six hundred twenty-eight".