161932054908 has 96 divisors (see below), whose sum is σ = 428593795840. Its totient is φ = 47172948480.

The previous prime is 161932054903. The next prime is 161932054931. The reversal of 161932054908 is 809450239161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161932054903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4894863 + ... + 4927833.

Almost surely, 2^161932054908 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 161932054908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214296897920).

161932054908 is an abundant number, since it is smaller than the sum of its proper divisors (266661740932).

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

161932054908 is a wasteful number, since it uses less digits than its factorization.

161932054908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34667 (or 34665 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 161932054908 in words is "one hundred sixty-one billion, nine hundred thirty-two million, fifty-four thousand, nine hundred eight".