160681061 has 2 divisors, whose sum is σ = 160681062. Its totient is φ = 160681060.

The previous prime is 160681057. The next prime is 160681097. The reversal of 160681061 is 160186061.

160681061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132112036 + 28569025 = 11494^2 + 5345^2 .

It is a cyclic number.

It is not a de Polignac number, because 160681061 - 2² = 160681057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160681051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80340530 + 80340531.

It is an arithmetic number, because the mean of its divisors is an integer number (80340531).

Almost surely, 2^160681061 is an apocalyptic number.

It is an amenable number.

160681061 is a deficient number, since it is larger than the sum of its proper divisors (1).

160681061 is an equidigital number, since it uses as much as digits as its factorization.

160681061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 160681061 is about 12676.0033527922. The cubic root of 160681061 is about 543.6527179467.

The spelling of 160681061 in words is "one hundred sixty million, six hundred eighty-one thousand, sixty-one".