161714218080 has 384 divisors, whose sum is σ = 553036087296. Its totient is φ = 39602534400.

The previous prime is 161714218069. The next prime is 161714218117. The reversal of 161714218080 is 80812417161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44831637 + ... + 44835243.

It is an arithmetic number, because the mean of its divisors is an integer number (1440198144).

Almost surely, 2^161714218080 is an apocalyptic number.

161714218080 is a gapful number since it is divisible by the number (10) 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 161714218080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276518043648).

161714218080 is an abundant number, since it is smaller than the sum of its proper divisors (391321869216).

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

161714218080 is a wasteful number, since it uses less digits than its factorization.

161714218080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810 (or 3802 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 39.

The spelling of 161714218080 in words is "one hundred sixty-one billion, seven hundred fourteen million, two hundred eighteen thousand, eighty".