160612561 has 2 divisors, whose sum is σ = 160612562. Its totient is φ = 160612560.

The previous prime is 160612547. The next prime is 160612589. The reversal of 160612561 is 165216061.

It is an a-pointer prime, because the next prime (160612589) can be obtained adding 160612561 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86118400 + 74494161 = 9280^2 + 8631^2 .

It is a cyclic number.

It is not a de Polignac number, because 160612561 - 2⁷ = 160612433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (160612511) by changing a digit.

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 as a sum of consecutive naturals, namely, 80306280 + 80306281.

It is an arithmetic number, because the mean of its divisors is an integer number (80306281).

Almost surely, 2^160612561 is an apocalyptic number.

It is an amenable number.

160612561 is a deficient number, since it is larger than the sum of its proper divisors (1).

160612561 is an equidigital number, since it uses as much as digits as its factorization.

160612561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 160612561 is about 12673.3011090244. The cubic root of 160612561 is about 543.5754520383.

The spelling of 160612561 in words is "one hundred sixty million, six hundred twelve thousand, five hundred sixty-one".