161710080000 has 760 divisors, whose sum is σ = 628943073792. Its totient is φ = 36175872000.

The previous prime is 161710079977. The next prime is 161710080073. The reversal of 161710080000 is 80017161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3440639977 + ... + 3440640023.

Almost surely, 2^161710080000 is an apocalyptic number.

161710080000 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 161710080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314471536896).

161710080000 is an abundant number, since it is smaller than the sum of its proper divisors (467232993792).

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

161710080000 is an frugal number, since it uses more digits than its factorization.

161710080000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 24.

Adding to 161710080000 its reverse (80017161), we get a palindrome (161790097161).

The spelling of 161710080000 in words is "one hundred sixty-one billion, seven hundred ten million, eighty thousand".