160170100221 has 8 divisors (see below), whose sum is σ = 213622719840. Its totient is φ = 106748773712.

The previous prime is 160170100219. The next prime is 160170100241. The reversal of 160170100221 is 122001071061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160170100221 - 2¹ = 160170100219 is a prime.

It is a super-2 number, since 2×160170100221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160170100241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7811331 + ... + 7831808.

It is an arithmetic number, because the mean of its divisors is an integer number (26702839980).

Almost surely, 2^160170100221 is an apocalyptic number.

It is an amenable number.

160170100221 is a deficient number, since it is larger than the sum of its proper divisors (53452619619).

160170100221 is a wasteful number, since it uses less digits than its factorization.

160170100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646555.

The product of its (nonzero) digits is 168, while the sum is 21.

Adding to 160170100221 its reverse (122001071061), we get a palindrome (282171171282).

The spelling of 160170100221 in words is "one hundred sixty billion, one hundred seventy million, one hundred thousand, two hundred twenty-one".