160081681616 has 40 divisors (see below), whose sum is σ = 327661186080. Its totient is φ = 75554377344.

The previous prime is 160081681589. The next prime is 160081681621. The reversal of 160081681616 is 616186180061.

It is a super-2 number, since 2×160081681616² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 866306 + ... + 1034721.

It is an arithmetic number, because the mean of its divisors is an integer number (8191529652).

Almost surely, 2^160081681616 is an apocalyptic number.

160081681616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

160081681616 is an abundant number, since it is smaller than the sum of its proper divisors (167579504464).

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

160081681616 is a wasteful number, since it uses less digits than its factorization.

160081681616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901331 (or 1901325 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 160081681616 in words is "one hundred sixty billion, eighty-one million, six hundred eighty-one thousand, six hundred sixteen".