6556039406 has 8 divisors (see below), whose sum is σ = 11238924720. Its totient is φ = 2809731168.

The previous prime is 6556039351. The next prime is 6556039423. The reversal of 6556039406 is 6049306556.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 234144251 + ... + 234144278.

It is an arithmetic number, because the mean of its divisors is an integer number (1404865590).

Almost surely, 2^6556039406 is an apocalyptic number.

6556039406 is a deficient number, since it is larger than the sum of its proper divisors (4682885314).

6556039406 is a wasteful number, since it uses less digits than its factorization.

6556039406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468288538.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 6556039406 is about 80969.3732592763. The cubic root of 6556039406 is about 1871.6035133153.

The spelling of 6556039406 in words is "six billion, five hundred fifty-six million, thirty-nine thousand, four hundred six".