160465421 has 2 divisors, whose sum is σ = 160465422. Its totient is φ = 160465420.

The previous prime is 160465387. The next prime is 160465423. The reversal of 160465421 is 124564061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149108521 + 11356900 = 12211^2 + 3370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160465421 is a prime.

Together with 160465423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160465423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80232710 + 80232711.

It is an arithmetic number, because the mean of its divisors is an integer number (80232711).

Almost surely, 2^160465421 is an apocalyptic number.

It is an amenable number.

160465421 is a deficient number, since it is larger than the sum of its proper divisors (1).

160465421 is an equidigital number, since it uses as much as digits as its factorization.

160465421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 160465421 is about 12667.4946615343. The cubic root of 160465421 is about 543.4094083031.

The spelling of 160465421 in words is "one hundred sixty million, four hundred sixty-five thousand, four hundred twenty-one".