160664513 has 4 divisors (see below), whose sum is σ = 169120560. Its totient is φ = 152208468.

The previous prime is 160664509. The next prime is 160664533. The reversal of 160664513 is 315466061.

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 not a de Polignac number, because 160664513 - 2² = 160664509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160664513.

It is not an unprimeable number, because it can be changed into a prime (160664533) 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 in 3 ways as a sum of consecutive naturals, for example, 4227995 + ... + 4228032.

It is an arithmetic number, because the mean of its divisors is an integer number (42280140).

Almost surely, 2^160664513 is an apocalyptic number.

It is an amenable number.

160664513 is a deficient number, since it is larger than the sum of its proper divisors (8456047).

160664513 is an equidigital number, since it uses as much as digits as its factorization.

160664513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8456046.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 160664513 is about 12675.3506065907. The cubic root of 160664513 is about 543.6340543200.

The spelling of 160664513 in words is "one hundred sixty million, six hundred sixty-four thousand, five hundred thirteen".