161119044 has 30 divisors (see below), whose sum is σ = 421197854. Its totient is φ = 53706240.

The previous prime is 161119033. The next prime is 161119073. The reversal of 161119044 is 440911161.

161119044 is a `hidden beast` number, since 1 + 611 + 1 + 9 + 0 + 44 = 666.

161119044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 161036100 + 82944 = 12690^2 + 288^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 161118999 and 161119017.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 248317 + ... + 248964.

Almost surely, 2^161119044 is an apocalyptic number.

It is an amenable number.

161119044 is an abundant number, since it is smaller than the sum of its proper divisors (260078810).

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

161119044 is a wasteful number, since it uses less digits than its factorization.

161119044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497297 (or 497286 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 161119044 is about 12693.2676643960. The cubic root of 161119044 is about 544.1462310533.

The spelling of 161119044 in words is "one hundred sixty-one million, one hundred nineteen thousand, forty-four".