2161104114646 has 4 divisors (see below), whose sum is σ = 3241656171972. Its totient is φ = 1080552057322.

The previous prime is 2161104114613. The next prime is 2161104114661. The reversal of 2161104114646 is 6464114011612.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540276028660 + ... + 540276028663.

It is an arithmetic number, because the mean of its divisors is an integer number (810414042993).

Almost surely, 2^{2161104114646} is an apocalyptic number.

2161104114646 is a deficient number, since it is larger than the sum of its proper divisors (1080552057326).

2161104114646 is a wasteful number, since it uses less digits than its factorization.

2161104114646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080552057325.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 2161104114646 in words is "two trillion, one hundred sixty-one billion, one hundred four million, one hundred fourteen thousand, six hundred forty-six".