161000760 has 64 divisors (see below), whose sum is σ = 487555200. Its totient is φ = 42528896.

The previous prime is 161000747. The next prime is 161000771. The reversal of 161000760 is 67000161.

161000760 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6571 + ... + 19109.

It is an arithmetic number, because the mean of its divisors is an integer number (7618050).

Almost surely, 2^161000760 is an apocalyptic number.

161000760 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 161000760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243777600).

161000760 is an abundant number, since it is smaller than the sum of its proper divisors (326554440).

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

161000760 is a wasteful number, since it uses less digits than its factorization.

161000760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12660 (or 12656 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 161000760 is about 12688.6074886096. The cubic root of 161000760 is about 544.0130385427.

The spelling of 161000760 in words is "one hundred sixty-one million, seven hundred sixty", and thus it is an aban number.