6555615630 has 16 divisors (see below), whose sum is σ = 15733477584. Its totient is φ = 1748164160.

The previous prime is 6555615589. The next prime is 6555615659. The reversal of 6555615630 is 365165556.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109260231 + ... + 109260290.

It is an arithmetic number, because the mean of its divisors is an integer number (983342349).

Almost surely, 2^6555615630 is an apocalyptic number.

6555615630 is an abundant number, since it is smaller than the sum of its proper divisors (9177861954).

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

6555615630 is a wasteful number, since it uses less digits than its factorization.

6555615630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218520531.

The product of its (nonzero) digits is 405000, while the sum is 42.

The square root of 6555615630 is about 80966.7563262849. The cubic root of 6555615630 is about 1871.5631862371.

The spelling of 6555615630 in words is "six billion, five hundred fifty-five million, six hundred fifteen thousand, six hundred thirty".