161160160656 has 160 divisors (see below), whose sum is σ = 462420224640. Its totient is φ = 47958220800.

The previous prime is 161160160643. The next prime is 161160160663. The reversal of 161160160656 is 656061061161.

161160160656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 6490986 + ... + 6515766.

It is an arithmetic number, because the mean of its divisors is an integer number (2890126404).

Almost surely, 2^161160160656 is an apocalyptic number.

161160160656 is a gapful number since it is divisible by the number (16) 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 161160160656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231210112320).

161160160656 is an abundant number, since it is smaller than the sum of its proper divisors (301260063984).

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

161160160656 is a wasteful number, since it uses less digits than its factorization.

161160160656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025 (or 25019 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 161160160656 in words is "one hundred sixty-one billion, one hundred sixty million, one hundred sixty thousand, six hundred fifty-six".