160581350864520 has 288 divisors, whose sum is σ = 554469350310720. Its totient is φ = 40297337210880.

The previous prime is 160581350864497. The next prime is 160581350864581. The reversal of 160581350864520 is 25468053185061.

160581350864520 is a `hidden beast` number, since 1 + 6 + 0 + 5 + 8 + 1 + 3 + 50 + 8 + 64 + 520 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 801319935 + ... + 801520305.

It is an arithmetic number, because the mean of its divisors is an integer number (1925240799690).

Almost surely, 2^{160581350864520} is an apocalyptic number.

160581350864520 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 160581350864520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277234675155360).

160581350864520 is an abundant number, since it is smaller than the sum of its proper divisors (393887999446200).

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

160581350864520 is a wasteful number, since it uses less digits than its factorization.

160581350864520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208125 (or 208101 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 160581350864520 in words is "one hundred sixty trillion, five hundred eighty-one billion, three hundred fifty million, eight hundred sixty-four thousand, five hundred twenty".