161480019444 has 12 divisors (see below), whose sum is σ = 376786712064. Its totient is φ = 53826673144.

The previous prime is 161480019433. The next prime is 161480019461. The reversal of 161480019444 is 444910084161.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 161480019396 and 161480019405.

It is a congruent number.

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, 6728334132 + ... + 6728334155.

It is an arithmetic number, because the mean of its divisors is an integer number (31398892672).

Almost surely, 2^161480019444 is an apocalyptic number.

It is an amenable number.

161480019444 is an abundant number, since it is smaller than the sum of its proper divisors (215306692620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161480019444 is a wasteful number, since it uses less digits than its factorization.

161480019444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13456668294 (or 13456668292 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 161480019444 in words is "one hundred sixty-one billion, four hundred eighty million, nineteen thousand, four hundred forty-four".