160466821 has 2 divisors, whose sum is σ = 160466822. Its totient is φ = 160466820.

The previous prime is 160466807. The next prime is 160466827. The reversal of 160466821 is 128664061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159744321 + 722500 = 12639^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 160466821 - 2⁷ = 160466693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160466827) 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, 80233410 + 80233411.

It is an arithmetic number, because the mean of its divisors is an integer number (80233411).

Almost surely, 2^160466821 is an apocalyptic number.

It is an amenable number.

160466821 is a deficient number, since it is larger than the sum of its proper divisors (1).

160466821 is an equidigital number, since it uses as much as digits as its factorization.

160466821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 160466821 is about 12667.5499209595. The cubic root of 160466821 is about 543.4109886456.

The spelling of 160466821 in words is "one hundred sixty million, four hundred sixty-six thousand, eight hundred twenty-one".