2660553330 has 32 divisors (see below), whose sum is σ = 6391704384. Its totient is φ = 708772416.

The previous prime is 2660553283. The next prime is 2660553349. The reversal of 2660553330 is 333550662.

2660553330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2660553291 and 2660553300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13384 + ... + 74163.

It is an arithmetic number, because the mean of its divisors is an integer number (199740762).

Almost surely, 2^2660553330 is an apocalyptic number.

2660553330 is an abundant number, since it is smaller than the sum of its proper divisors (3731151054).

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

2660553330 is a wasteful number, since it uses less digits than its factorization.

2660553330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88570.

The product of its (nonzero) digits is 48600, while the sum is 33.

The square root of 2660553330 is about 51580.5518582343. The cubic root of 2660553330 is about 1385.6620501644.

The spelling of 2660553330 in words is "two billion, six hundred sixty million, five hundred fifty-three thousand, three hundred thirty".