6655011666603 has 8 divisors (see below), whose sum is σ = 8880190334928. Its totient is φ = 4433253721344.

The previous prime is 6655011666601. The next prime is 6655011666647. The reversal of 6655011666603 is 3066661105566.

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

It is not a de Polignac number, because 6655011666603 - 2¹ = 6655011666601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6655011666601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855176226 + ... + 855184007.

It is an arithmetic number, because the mean of its divisors is an integer number (1110023791866).

Almost surely, 2^{6655011666603} is an apocalyptic number.

6655011666603 is a deficient number, since it is larger than the sum of its proper divisors (2225178668325).

6655011666603 is a wasteful number, since it uses less digits than its factorization.

6655011666603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710361533.

The product of its (nonzero) digits is 3499200, while the sum is 51.

The spelling of 6655011666603 in words is "six trillion, six hundred fifty-five billion, eleven million, six hundred sixty-six thousand, six hundred three".