160064521 has 4 divisors (see below), whose sum is σ = 167023872. Its totient is φ = 153105172.

The previous prime is 160064491. The next prime is 160064539. The reversal of 160064521 is 125460061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160064521 - 2¹³ = 160056329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160064561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3479641 + ... + 3479686.

It is an arithmetic number, because the mean of its divisors is an integer number (41755968).

Almost surely, 2^160064521 is an apocalyptic number.

It is an amenable number.

160064521 is a deficient number, since it is larger than the sum of its proper divisors (6959351).

160064521 is an equidigital number, since it uses as much as digits as its factorization.

160064521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959350.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 160064521 is about 12651.6608000689. The cubic root of 160064521 is about 542.9564872367.

The spelling of 160064521 in words is "one hundred sixty million, sixty-four thousand, five hundred twenty-one".