160487557 has 2 divisors, whose sum is σ = 160487558. Its totient is φ = 160487556.

The previous prime is 160487549. The next prime is 160487573. The reversal of 160487557 is 755784061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81739681 + 78747876 = 9041^2 + 8874^2 .

It is a cyclic number.

It is not a de Polignac number, because 160487557 - 2³ = 160487549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160487857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80243778 + 80243779.

It is an arithmetic number, because the mean of its divisors is an integer number (80243779).

Almost surely, 2^160487557 is an apocalyptic number.

It is an amenable number.

160487557 is a deficient number, since it is larger than the sum of its proper divisors (1).

160487557 is an equidigital number, since it uses as much as digits as its factorization.

160487557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 160487557 is about 12668.3683637633. The cubic root of 160487557 is about 543.4343946989.

The spelling of 160487557 in words is "one hundred sixty million, four hundred eighty-seven thousand, five hundred fifty-seven".