161069026444 has 24 divisors (see below), whose sum is σ = 287015892800. Its totient is φ = 79075751040.

The previous prime is 161069026361. The next prime is 161069026451. The reversal of 161069026444 is 444620960161.

It is a self number, because there is not a number n which added to its sum of digits gives 161069026444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350849 + ... + 1465240.

Almost surely, 2^161069026444 is an apocalyptic number.

It is an amenable number.

161069026444 is a deficient number, since it is larger than the sum of its proper divisors (125946866356).

161069026444 is a wasteful number, since it uses less digits than its factorization.

161069026444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816353 (or 2816351 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 161069026444 in words is "one hundred sixty-one billion, sixty-nine million, twenty-six thousand, four hundred forty-four".