160977563 has 2 divisors, whose sum is σ = 160977564. Its totient is φ = 160977562.

The previous prime is 160977533. The next prime is 160977569. The reversal of 160977563 is 365779061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 160977563 - 2⁶ = 160977499 is a prime.

It is not a weakly prime, because it can be changed into another prime (160977569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80488781 + 80488782.

It is an arithmetic number, because the mean of its divisors is an integer number (80488782).

Almost surely, 2^160977563 is an apocalyptic number.

160977563 is a deficient number, since it is larger than the sum of its proper divisors (1).

160977563 is an equidigital number, since it uses as much as digits as its factorization.

160977563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 160977563 is about 12687.6933679846. The cubic root of 160977563 is about 543.9869101431.

The spelling of 160977563 in words is "one hundred sixty million, nine hundred seventy-seven thousand, five hundred sixty-three".