2165419594194 has 32 divisors (see below), whose sum is σ = 4705835458560. Its totient is φ = 661758109200.

The previous prime is 2165419594193. The next prime is 2165419594199. The reversal of 2165419594194 is 4914959145612.

It is not an unprimeable number, because it can be changed into a prime (2165419594193) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 306365962 + ... + 306373029.

It is an arithmetic number, because the mean of its divisors is an integer number (147057358080).

Almost surely, 2^{2165419594194} is an apocalyptic number.

2165419594194 is an abundant number, since it is smaller than the sum of its proper divisors (2540415864366).

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

2165419594194 is a wasteful number, since it uses less digits than its factorization.

2165419594194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612739046.

The product of its digits is 13996800, while the sum is 60.

The spelling of 2165419594194 in words is "two trillion, one hundred sixty-five billion, four hundred nineteen million, five hundred ninety-four thousand, one hundred ninety-four".