160021117 has 8 divisors (see below), whose sum is σ = 162846720. Its totient is φ = 157202160.

The previous prime is 160021111. The next prime is 160021123. The reversal of 160021117 is 711120061.

It is an interprime number because it is at equal distance from previous prime (160021111) and next prime (160021123).

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 160021117 - 2¹⁵ = 159988349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160021094 and 160021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160021111) 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, 86868 + ... + 88690.

It is an arithmetic number, because the mean of its divisors is an integer number (20355840).

Almost surely, 2^160021117 is an apocalyptic number.

It is an amenable number.

160021117 is a deficient number, since it is larger than the sum of its proper divisors (2825603).

160021117 is a wasteful number, since it uses less digits than its factorization.

160021117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 160021117 is about 12649.9453358503. The cubic root of 160021117 is about 542.9074057503.

Adding to 160021117 its reverse (711120061), we get a palindrome (871141178).

The spelling of 160021117 in words is "one hundred sixty million, twenty-one thousand, one hundred seventeen".