16611611675675 has 12 divisors (see below), whose sum is σ = 20602362156096. Its totient is φ = 13286732128800.

The previous prime is 16611611675653. The next prime is 16611611675689. The reversal of 16611611675675 is 57657611611661.

It is not a de Polignac number, because 16611611675675 - 2⁶ = 16611611675611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63797771 + ... + 64057620.

It is an arithmetic number, because the mean of its divisors is an integer number (1716863513008).

Almost surely, 2^{16611611675675} is an apocalyptic number.

16611611675675 is a deficient number, since it is larger than the sum of its proper divisors (3990750480421).

16611611675675 is a wasteful number, since it uses less digits than its factorization.

16611611675675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127860598 (or 127860593 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 59.

The spelling of 16611611675675 in words is "sixteen trillion, six hundred eleven billion, six hundred eleven million, six hundred seventy-five thousand, six hundred seventy-five".