160416521 has 2 divisors, whose sum is σ = 160416522. Its totient is φ = 160416520.

The previous prime is 160416493. The next prime is 160416523. The reversal of 160416521 is 125614061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160300921 + 115600 = 12661^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 160416521 - 2¹⁸ = 160154377 is a prime.

Together with 160416523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (160416523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80208260 + 80208261.

It is an arithmetic number, because the mean of its divisors is an integer number (80208261).

Almost surely, 2^160416521 is an apocalyptic number.

It is an amenable number.

160416521 is a deficient number, since it is larger than the sum of its proper divisors (1).

160416521 is an equidigital number, since it uses as much as digits as its factorization.

160416521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 160416521 is about 12665.5643774764. The cubic root of 160416521 is about 543.3542034297.

The spelling of 160416521 in words is "one hundred sixty million, four hundred sixteen thousand, five hundred twenty-one".