6601556605006 has 32 divisors (see below), whose sum is σ = 11438591178240. Its totient is φ = 2824047177600.

The previous prime is 6601556604997. The next prime is 6601556605013. The reversal of 6601556605006 is 6005066551066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6828885 + ... + 7735423.

It is an arithmetic number, because the mean of its divisors is an integer number (357455974320).

Almost surely, 2^{6601556605006} is an apocalyptic number.

6601556605006 is a deficient number, since it is larger than the sum of its proper divisors (4837034573234).

6601556605006 is a wasteful number, since it uses less digits than its factorization.

6601556605006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926040.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 6601556605006 in words is "six trillion, six hundred one billion, five hundred fifty-six million, six hundred five thousand, six".