6659470540 has 48 divisors (see below), whose sum is σ = 14215370400. Its totient is φ = 2620242432.

The previous prime is 6659470529. The next prime is 6659470583. The reversal of 6659470540 is 450749566.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292032 + ... + 314008.

It is an arithmetic number, because the mean of its divisors is an integer number (296153550).

Almost surely, 2^6659470540 is an apocalyptic number.

It is an amenable number.

6659470540 is an abundant number, since it is smaller than the sum of its proper divisors (7555899860).

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

6659470540 is a wasteful number, since it uses less digits than its factorization.

6659470540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22234 (or 22232 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 6659470540 is about 81605.5790984906. The cubic root of 6659470540 is about 1881.3946325155.

The spelling of 6659470540 in words is "six billion, six hundred fifty-nine million, four hundred seventy thousand, five hundred forty".