161424865982160 has 1280 divisors, whose sum is σ = 652679368704000. Its totient is φ = 36285290496000.

The previous prime is 161424865982153. The next prime is 161424865982173. The reversal of 161424865982160 is 61289568424161.

161424865982160 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 2 + 486 + 5 + 98 + 2 + 1 + 60 = 666.

161424865982160 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2798162596 + ... + 2798220284.

It is an arithmetic number, because the mean of its divisors is an integer number (509905756800).

Almost surely, 2^{161424865982160} is an apocalyptic number.

161424865982160 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 161424865982160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326339684352000).

161424865982160 is an abundant number, since it is smaller than the sum of its proper divisors (491254502721840).

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

161424865982160 is a wasteful number, since it uses less digits than its factorization.

161424865982160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57913 (or 57901 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 63.

The spelling of 161424865982160 in words is "one hundred sixty-one trillion, four hundred twenty-four billion, eight hundred sixty-five million, nine hundred eighty-two thousand, one hundred sixty".