160846561 has 4 divisors (see below), whose sum is σ = 161135892. Its totient is φ = 160557232.

The previous prime is 160846547. The next prime is 160846583. The reversal of 160846561 is 165648061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61465600 + 99380961 = 7840^2 + 9969^2 .

It is a cyclic number.

It is not a de Polignac number, because 160846561 - 2⁵ = 160846529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160846561.

It is not an unprimeable number, because it can be changed into a prime (160846501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143830 + ... + 144943.

It is an arithmetic number, because the mean of its divisors is an integer number (40283973).

Almost surely, 2^160846561 is an apocalyptic number.

It is an amenable number.

160846561 is a deficient number, since it is larger than the sum of its proper divisors (289331).

160846561 is an equidigital number, since it uses as much as digits as its factorization.

160846561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289330.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 160846561 is about 12682.5297555338. The cubic root of 160846561 is about 543.8393063161.

The spelling of 160846561 in words is "one hundred sixty million, eight hundred forty-six thousand, five hundred sixty-one".