161384812 has 6 divisors (see below), whose sum is σ = 282423428. Its totient is φ = 80692404.

The previous prime is 161384809. The next prime is 161384851. The reversal of 161384812 is 218483161.

161384812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20173098 + ... + 20173105.

Almost surely, 2^161384812 is an apocalyptic number.

It is an amenable number.

161384812 is a deficient number, since it is larger than the sum of its proper divisors (121038616).

161384812 is a wasteful number, since it uses less digits than its factorization.

161384812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40346207 (or 40346205 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 161384812 is about 12703.7322075050. The cubic root of 161384812 is about 544.4452588385.

The spelling of 161384812 in words is "one hundred sixty-one million, three hundred eighty-four thousand, eight hundred twelve".