160684457 has 2 divisors, whose sum is σ = 160684458. Its totient is φ = 160684456.

The previous prime is 160684411. The next prime is 160684519. The reversal of 160684457 is 754486061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160680976 + 3481 = 12676^2 + 59^2 .

It is a cyclic number.

It is not a de Polignac number, because 160684457 - 2⁸ = 160684201 is a prime.

It is not a weakly prime, because it can be changed into another prime (160686457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80342228 + 80342229.

It is an arithmetic number, because the mean of its divisors is an integer number (80342229).

Almost surely, 2^160684457 is an apocalyptic number.

It is an amenable number.

160684457 is a deficient number, since it is larger than the sum of its proper divisors (1).

160684457 is an equidigital number, since it uses as much as digits as its factorization.

160684457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 160684457 is about 12676.1373059777. The cubic root of 160684457 is about 543.6565479596.

The spelling of 160684457 in words is "one hundred sixty million, six hundred eighty-four thousand, four hundred fifty-seven".