161106656104 has 16 divisors (see below), whose sum is σ = 303405710400. Its totient is φ = 80198466672.

The previous prime is 161106656093. The next prime is 161106656147. The reversal of 161106656104 is 401656601161.

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, 44355744 + ... + 44359375.

It is an arithmetic number, because the mean of its divisors is an integer number (18962856900).

Almost surely, 2^161106656104 is an apocalyptic number.

It is an amenable number.

161106656104 is a deficient number, since it is larger than the sum of its proper divisors (142299054296).

161106656104 is a wasteful number, since it uses less digits than its factorization.

161106656104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88715352 (or 88715348 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 161106656104 in words is "one hundred sixty-one billion, one hundred six million, six hundred fifty-six thousand, one hundred four".