160660961 has 2 divisors, whose sum is σ = 160660962. Its totient is φ = 160660960.

The previous prime is 160660939. The next prime is 160660991. The reversal of 160660961 is 169066061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 76020961 = 9200^2 + 8719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160660961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (160660991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80330480 + 80330481.

It is an arithmetic number, because the mean of its divisors is an integer number (80330481).

Almost surely, 2^160660961 is an apocalyptic number.

It is an amenable number.

160660961 is a deficient number, since it is larger than the sum of its proper divisors (1).

160660961 is an equidigital number, since it uses as much as digits as its factorization.

160660961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 160660961 is about 12675.2104913489. The cubic root of 160660961 is about 543.6300480372.

The spelling of 160660961 in words is "one hundred sixty million, six hundred sixty thousand, nine hundred sixty-one".