160515961 has 2 divisors, whose sum is σ = 160515962. Its totient is φ = 160515960.

The previous prime is 160515917. The next prime is 160515983. The reversal of 160515961 is 169515061.

160515961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87516025 + 72999936 = 9355^2 + 8544^2 .

It is an emirp because it is prime and its reverse (169515061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160515961 - 2¹³ = 160507769 is a prime.

It is not a weakly prime, because it can be changed into another prime (160515161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80257980 + 80257981.

It is an arithmetic number, because the mean of its divisors is an integer number (80257981).

Almost surely, 2^160515961 is an apocalyptic number.

It is an amenable number.

160515961 is a deficient number, since it is larger than the sum of its proper divisors (1).

160515961 is an equidigital number, since it uses as much as digits as its factorization.

160515961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 160515961 is about 12669.4893740829. The cubic root of 160515961 is about 543.4664528437.

The spelling of 160515961 in words is "one hundred sixty million, five hundred fifteen thousand, nine hundred sixty-one".