161105660122 has 8 divisors (see below), whose sum is σ = 263627443872. Its totient is φ = 73229845500.

The previous prime is 161105660099. The next prime is 161105660143. The reversal of 161105660122 is 221066501161.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3661492254 + ... + 3661492297.

It is an arithmetic number, because the mean of its divisors is an integer number (32953430484).

Almost surely, 2^161105660122 is an apocalyptic number.

161105660122 is a deficient number, since it is larger than the sum of its proper divisors (102521783750).

161105660122 is a wasteful number, since it uses less digits than its factorization.

161105660122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322984564.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 161105660122 in words is "one hundred sixty-one billion, one hundred five million, six hundred sixty thousand, one hundred twenty-two".