160320857 has 4 divisors (see below), whose sum is σ = 160352676. Its totient is φ = 160289040.

The previous prime is 160320827. The next prime is 160320859. The reversal of 160320857 is 758023061.

It is a happy number.

160320857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124188736 + 36132121 = 11144^2 + 6011^2 .

It is a cyclic number.

It is not a de Polignac number, because 160320857 - 2²⁴ = 143543641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160320859) 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, 6494 + ... + 19047.

It is an arithmetic number, because the mean of its divisors is an integer number (40088169).

Almost surely, 2^160320857 is an apocalyptic number.

It is an amenable number.

160320857 is a deficient number, since it is larger than the sum of its proper divisors (31819).

160320857 is an equidigital number, since it uses as much as digits as its factorization.

160320857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31818.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 160320857 is about 12661.7872751046. The cubic root of 160320857 is about 543.2461726354.

The spelling of 160320857 in words is "one hundred sixty million, three hundred twenty thousand, eight hundred fifty-seven".