6556057630 has 16 divisors (see below), whose sum is σ = 12181578624. Its totient is φ = 2537828640.

The previous prime is 6556057621. The next prime is 6556057679. The reversal of 6556057630 is 367506556.

It is a super-4 number, since 4×6556057630⁴ (a number of 40 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10573977 + ... + 10574596.

It is an arithmetic number, because the mean of its divisors is an integer number (761348664).

Almost surely, 2^6556057630 is an apocalyptic number.

6556057630 is a deficient number, since it is larger than the sum of its proper divisors (5625520994).

6556057630 is a wasteful number, since it uses less digits than its factorization.

6556057630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21148611.

The product of its (nonzero) digits is 567000, while the sum is 43.

The square root of 6556057630 is about 80969.4857955761. The cubic root of 6556057630 is about 1871.6052474960.

The spelling of 6556057630 in words is "six billion, five hundred fifty-six million, fifty-seven thousand, six hundred thirty".