160556561320896 has 336 divisors, whose sum is σ = 500302210102240. Its totient is φ = 49227343626240.

The previous prime is 160556561320879. The next prime is 160556561320937. The reversal of 160556561320896 is 698023165655061.

It is a happy number.

160556561320896 is a `hidden beast` number, since 1 + 6 + 0 + 5 + 5 + 6 + 5 + 613 + 2 + 0 + 8 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 357904416 + ... + 358352736.

Almost surely, 2^{160556561320896} is an apocalyptic number.

160556561320896 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 160556561320896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250151105051120).

160556561320896 is an abundant number, since it is smaller than the sum of its proper divisors (339745648781344).

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

160556561320896 is a wasteful number, since it uses less digits than its factorization.

160556561320896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448661 (or 448622 counting only the distinct ones).

The product of its (nonzero) digits is 69984000, while the sum is 63.

The spelling of 160556561320896 in words is "one hundred sixty trillion, five hundred fifty-six billion, five hundred sixty-one million, three hundred twenty thousand, eight hundred ninety-six".