160708661 has 2 divisors, whose sum is σ = 160708662. Its totient is φ = 160708660.

The previous prime is 160708657. The next prime is 160708663. The reversal of 160708661 is 166807061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150430225 + 10278436 = 12265^2 + 3206^2 .

It is a cyclic number.

It is not a de Polignac number, because 160708661 - 2² = 160708657 is a prime.

Together with 160708663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160708663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80354330 + 80354331.

It is an arithmetic number, because the mean of its divisors is an integer number (80354331).

Almost surely, 2^160708661 is an apocalyptic number.

It is an amenable number.

160708661 is a deficient number, since it is larger than the sum of its proper divisors (1).

160708661 is an equidigital number, since it uses as much as digits as its factorization.

160708661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 160708661 is about 12677.0919772636. The cubic root of 160708661 is about 543.6838436975.

The spelling of 160708661 in words is "one hundred sixty million, seven hundred eight thousand, six hundred sixty-one".