2005168851672 has 32 divisors (see below), whose sum is σ = 5729053862400. Its totient is φ = 572905386144.

The previous prime is 2005168851671. The next prime is 2005168851677. The reversal of 2005168851672 is 2761588615002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005168851671) 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, 5967764272 + ... + 5967764607.

It is an arithmetic number, because the mean of its divisors is an integer number (179032933200).

Almost surely, 2^{2005168851672} is an apocalyptic number.

It is an amenable number.

2005168851672 is an abundant number, since it is smaller than the sum of its proper divisors (3723885010728).

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

2005168851672 is a wasteful number, since it uses less digits than its factorization.

2005168851672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11935528895 (or 11935528891 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 2005168851672 in words is "two trillion, five billion, one hundred sixty-eight million, eight hundred fifty-one thousand, six hundred seventy-two".