160051561 has 2 divisors, whose sum is σ = 160051562. Its totient is φ = 160051560.

The previous prime is 160051553. The next prime is 160051589. The reversal of 160051561 is 165150061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159769600 + 281961 = 12640^2 + 531^2 .

It is a cyclic number.

It is not a de Polignac number, because 160051561 - 2³ = 160051553 is a prime.

It is not a weakly prime, because it can be changed into another prime (160051501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80025780 + 80025781.

It is an arithmetic number, because the mean of its divisors is an integer number (80025781).

Almost surely, 2^160051561 is an apocalyptic number.

It is an amenable number.

160051561 is a deficient number, since it is larger than the sum of its proper divisors (1).

160051561 is an equidigital number, since it uses as much as digits as its factorization.

160051561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 160051561 is about 12651.1486039806. The cubic root of 160051561 is about 542.9418329254.

The spelling of 160051561 in words is "one hundred sixty million, fifty-one thousand, five hundred sixty-one".