160065972457 has 2 divisors, whose sum is σ = 160065972458. Its totient is φ = 160065972456.

The previous prime is 160065972427. The next prime is 160065972481. The reversal of 160065972457 is 754279560061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141093389376 + 18972583081 = 375624^2 + 137741^2 .

It is a cyclic number.

It is not a de Polignac number, because 160065972457 - 2³⁵ = 125706234089 is a prime.

It is a super-2 number, since 2×160065972457² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160065972427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80032986228 + 80032986229.

It is an arithmetic number, because the mean of its divisors is an integer number (80032986229).

Almost surely, 2^160065972457 is an apocalyptic number.

It is an amenable number.

160065972457 is a deficient number, since it is larger than the sum of its proper divisors (1).

160065972457 is an equidigital number, since it uses as much as digits as its factorization.

160065972457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 160065972457 in words is "one hundred sixty billion, sixty-five million, nine hundred seventy-two thousand, four hundred fifty-seven".