2116565205006 has 32 divisors (see below), whose sum is σ = 4917172566528. Its totient is φ = 594819260640.

The previous prime is 2116565204993. The next prime is 2116565205023. The reversal of 2116565205006 is 6005025656112.

It is a happy number.

It is a Curzon number.

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, 413066370 + ... + 413071493.

It is an arithmetic number, because the mean of its divisors is an integer number (153661642704).

Almost surely, 2^{2116565205006} is an apocalyptic number.

2116565205006 is an abundant number, since it is smaller than the sum of its proper divisors (2800607361522).

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

2116565205006 is a wasteful number, since it uses less digits than its factorization.

2116565205006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826137936.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 2116565205006 in words is "two trillion, one hundred sixteen billion, five hundred sixty-five million, two hundred five thousand, six".