160911649 has 2 divisors, whose sum is σ = 160911650. Its totient is φ = 160911648.

The previous prime is 160911617. The next prime is 160911677. The reversal of 160911649 is 946119061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113742225 + 47169424 = 10665^2 + 6868^2 .

It is an emirp because it is prime and its reverse (946119061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160911649 - 2⁵ = 160911617 is a prime.

It is not a weakly prime, because it can be changed into another prime (160911679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80455824 + 80455825.

It is an arithmetic number, because the mean of its divisors is an integer number (80455825).

Almost surely, 2^160911649 is an apocalyptic number.

It is an amenable number.

160911649 is a deficient number, since it is larger than the sum of its proper divisors (1).

160911649 is an equidigital number, since it uses as much as digits as its factorization.

160911649 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 37.

The square root of 160911649 is about 12685.0955455605. The cubic root of 160911649 is about 543.9126529039.

The spelling of 160911649 in words is "one hundred sixty million, nine hundred eleven thousand, six hundred forty-nine".