160229521 has 2 divisors, whose sum is σ = 160229522. Its totient is φ = 160229520.

The previous prime is 160229513. The next prime is 160229543. The reversal of 160229521 is 125922061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109307025 + 50922496 = 10455^2 + 7136^2 .

It is an emirp because it is prime and its reverse (125922061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160229521 - 2³ = 160229513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 160229521.

It is not a weakly prime, because it can be changed into another prime (160229551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80114760 + 80114761.

It is an arithmetic number, because the mean of its divisors is an integer number (80114761).

Almost surely, 2^160229521 is an apocalyptic number.

It is an amenable number.

160229521 is a deficient number, since it is larger than the sum of its proper divisors (1).

160229521 is an equidigital number, since it uses as much as digits as its factorization.

160229521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 160229521 is about 12658.1800034602. The cubic root of 160229521 is about 543.1429892258.

The spelling of 160229521 in words is "one hundred sixty million, two hundred twenty-nine thousand, five hundred twenty-one".