160643201 has 4 divisors (see below), whose sum is σ = 167627712. Its totient is φ = 153658692.

The previous prime is 160643191. The next prime is 160643213. The reversal of 160643201 is 102346061.

It is a happy number.

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 160643201 - 2⁶ = 160643137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 6984487 = 160643201 / (1 + 6 + 0 + 6 + 4 + 3 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160643221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492221 + ... + 3492266.

It is an arithmetic number, because the mean of its divisors is an integer number (41906928).

Almost surely, 2^160643201 is an apocalyptic number.

It is an amenable number.

160643201 is a deficient number, since it is larger than the sum of its proper divisors (6984511).

160643201 is an equidigital number, since it uses as much as digits as its factorization.

160643201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6984510.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 160643201 is about 12674.5098919051. The cubic root of 160643201 is about 543.6100157378.

Adding to 160643201 its reverse (102346061), we get a palindrome (262989262).

The spelling of 160643201 in words is "one hundred sixty million, six hundred forty-three thousand, two hundred one".