161932229163848 has 1024 divisors, whose sum is σ = 398682611712000. Its totient is φ = 60947312025600.

The previous prime is 161932229163847. The next prime is 161932229163851. The reversal of 161932229163848 is 848361922239161.

It is not an unprimeable number, because it can be changed into a prime (161932229163847) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 821991010886 + ... + 821991011082.

It is an arithmetic number, because the mean of its divisors is an integer number (389338488000).

Almost surely, 2^{161932229163848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161932229163848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199341305856000).

161932229163848 is an abundant number, since it is smaller than the sum of its proper divisors (236750382548152).

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

161932229163848 is a wasteful number, since it uses less digits than its factorization.

161932229163848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 433 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 65.

The spelling of 161932229163848 in words is "one hundred sixty-one trillion, nine hundred thirty-two billion, two hundred twenty-nine million, one hundred sixty-three thousand, eight hundred forty-eight".