2168401674873 has 32 divisors (see below), whose sum is σ = 3316927988736. Its totient is φ = 1234328050368.

The previous prime is 2168401674869. The next prime is 2168401674919. The reversal of 2168401674873 is 3784761048612.

It is not a de Polignac number, because 2168401674873 - 2² = 2168401674869 is a prime.

It is a super-2 number, since 2×2168401674873² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2168401674853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19836715 + ... + 19945727.

It is an arithmetic number, because the mean of its divisors is an integer number (103653999648).

Almost surely, 2^{2168401674873} is an apocalyptic number.

It is an amenable number.

2168401674873 is a deficient number, since it is larger than the sum of its proper divisors (1148526313863).

2168401674873 is a wasteful number, since it uses less digits than its factorization.

2168401674873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112653.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 2168401674873 in words is "two trillion, one hundred sixty-eight billion, four hundred one million, six hundred seventy-four thousand, eight hundred seventy-three".