160994861 has 2 divisors, whose sum is σ = 160994862. Its totient is φ = 160994860.

The previous prime is 160994849. The next prime is 160994929. The reversal of 160994861 is 168499061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134420836 + 26574025 = 11594^2 + 5155^2 .

It is a cyclic number.

It is not a de Polignac number, because 160994861 - 2¹⁰ = 160993837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160994831) 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 as a sum of consecutive naturals, namely, 80497430 + 80497431.

It is an arithmetic number, because the mean of its divisors is an integer number (80497431).

Almost surely, 2^160994861 is an apocalyptic number.

It is an amenable number.

160994861 is a deficient number, since it is larger than the sum of its proper divisors (1).

160994861 is an equidigital number, since it uses as much as digits as its factorization.

160994861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 160994861 is about 12688.3750338647. The cubic root of 160994861 is about 544.0063943254.

The spelling of 160994861 in words is "one hundred sixty million, nine hundred ninety-four thousand, eight hundred sixty-one".