2161460205404 has 12 divisors (see below), whose sum is σ = 3782784457200. Its totient is φ = 1080664646208.

The previous prime is 2161460205391. The next prime is 2161460205407. The reversal of 2161460205404 is 4045020641612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161460205407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16289789 + ... + 16421940.

It is an arithmetic number, because the mean of its divisors is an integer number (315232038100).

Almost surely, 2^{2161460205404} is an apocalyptic number.

It is an amenable number.

2161460205404 is a deficient number, since it is larger than the sum of its proper divisors (1621324251796).

2161460205404 is a wasteful number, since it uses less digits than its factorization.

2161460205404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32728252 (or 32728250 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 2161460205404 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, two hundred five thousand, four hundred four".