6654634660 has 24 divisors (see below), whose sum is σ = 14035767480. Its totient is φ = 2650228224.

The previous prime is 6654634639. The next prime is 6654634673. The reversal of 6654634660 is 664364566.

It can be written as a sum of positive squares in 4 ways, for example, as 3897754624 + 2756880036 = 62432^2 + 52506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6654634660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721909 + ... + 731068.

It is an arithmetic number, because the mean of its divisors is an integer number (584823645).

Almost surely, 2^6654634660 is an apocalyptic number.

It is an amenable number.

6654634660 is an abundant number, since it is smaller than the sum of its proper divisors (7381132820).

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

6654634660 is a wasteful number, since it uses less digits than its factorization.

6654634660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453215 (or 1453213 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The square root of 6654634660 is about 81575.9441257041. The cubic root of 6654634660 is about 1880.9391207359.

The spelling of 6654634660 in words is "six billion, six hundred fifty-four million, six hundred thirty-four thousand, six hundred sixty".