6665602111086 has 32 divisors (see below), whose sum is σ = 13713021042336. Its totient is φ = 2158680960000.

The previous prime is 6665602111081. The next prime is 6665602111121. The reversal of 6665602111086 is 6801112065666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665602111081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56156365 + ... + 56274936.

It is an arithmetic number, because the mean of its divisors is an integer number (428531907573).

Almost surely, 2^{6665602111086} is an apocalyptic number.

6665602111086 is an abundant number, since it is smaller than the sum of its proper divisors (7047418931250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6665602111086 is a wasteful number, since it uses less digits than its factorization.

6665602111086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112431588.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 6665602111086 in words is "six trillion, six hundred sixty-five billion, six hundred two million, one hundred eleven thousand, eighty-six".