2168187848374 has 8 divisors (see below), whose sum is σ = 3327916232520. Its totient is φ = 1058882437536.

The previous prime is 2168187848261. The next prime is 2168187848473. The reversal of 2168187848374 is 4738487818612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2168187848374² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12605743219 + ... + 12605743390.

It is an arithmetic number, because the mean of its divisors is an integer number (415989529065).

Almost surely, 2^{2168187848374} is an apocalyptic number.

2168187848374 is a deficient number, since it is larger than the sum of its proper divisors (1159728384146).

2168187848374 is a wasteful number, since it uses less digits than its factorization.

2168187848374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25211486654.

The product of its digits is 115605504, while the sum is 67.

The spelling of 2168187848374 in words is "two trillion, one hundred sixty-eight billion, one hundred eighty-seven million, eight hundred forty-eight thousand, three hundred seventy-four".