161394214176 has 384 divisors, whose sum is σ = 514656172800. Its totient is φ = 48910417920.

The previous prime is 161394214169. The next prime is 161394214187. The reversal of 161394214176 is 671412493161.

161394214176 is a `hidden beast` number, since 1 + 613 + 9 + 4 + 2 + 14 + 17 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 295053135 + ... + 295053681.

It is an arithmetic number, because the mean of its divisors is an integer number (1340250450).

Almost surely, 2^161394214176 is an apocalyptic number.

161394214176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161394214176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257328086400).

161394214176 is an abundant number, since it is smaller than the sum of its proper divisors (353261958624).

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

161394214176 is a wasteful number, since it uses less digits than its factorization.

161394214176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 915 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 161394214176 in words is "one hundred sixty-one billion, three hundred ninety-four million, two hundred fourteen thousand, one hundred seventy-six".