161110560 has 96 divisors (see below), whose sum is σ = 546557760. Its totient is φ = 39656448.

The previous prime is 161110531. The next prime is 161110589. The reversal of 161110560 is 65011161.

It is an interprime number because it is at equal distance from previous prime (161110531) and next prime (161110589).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×161110560² = 51913225087027200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6670 + ... + 19149.

It is an arithmetic number, because the mean of its divisors is an integer number (5693310).

Almost surely, 2^161110560 is an apocalyptic number.

161110560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161110560 is an abundant number, since it is smaller than the sum of its proper divisors (385447200).

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

161110560 is a wasteful number, since it uses less digits than its factorization.

161110560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25850 (or 25842 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 161110560 is about 12692.9334670910. The cubic root of 161110560 is about 544.1366799008.

The spelling of 161110560 in words is "one hundred sixty-one million, one hundred ten thousand, five hundred sixty".