161848542226 has 24 divisors (see below), whose sum is σ = 282590605440. Its totient is φ = 69319103112.

The previous prime is 161848542181. The next prime is 161848542239. The reversal of 161848542226 is 622245848161.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 161848542226.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376890 + ... + 682453.

It is an arithmetic number, because the mean of its divisors is an integer number (11774608560).

Almost surely, 2^161848542226 is an apocalyptic number.

161848542226 is a deficient number, since it is larger than the sum of its proper divisors (120742063214).

161848542226 is a wasteful number, since it uses less digits than its factorization.

161848542226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060918 (or 1060911 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 49.

The spelling of 161848542226 in words is "one hundred sixty-one billion, eight hundred forty-eight million, five hundred forty-two thousand, two hundred twenty-six".