16170117 has 4 divisors (see below), whose sum is σ = 21560160. Its totient is φ = 10780076.

The previous prime is 16170101. The next prime is 16170131. The reversal of 16170117 is 71107161.

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 16170117 - 2⁴ = 16170101 is a prime.

It is a super-2 number, since 2×16170117² = 522945367587378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16170017) 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, 2695017 + ... + 2695022.

It is an arithmetic number, because the mean of its divisors is an integer number (5390040).

Almost surely, 2^16170117 is an apocalyptic number.

It is an amenable number.

16170117 is a deficient number, since it is larger than the sum of its proper divisors (5390043).

16170117 is an equidigital number, since it uses as much as digits as its factorization.

16170117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390042.

The product of its (nonzero) digits is 294, while the sum is 24.

The square root of 16170117 is about 4021.2084004687. The cubic root of 16170117 is about 252.8741217401.

Adding to 16170117 its reverse (71107161), we get a palindrome (87277278).

The spelling of 16170117 in words is "sixteen million, one hundred seventy thousand, one hundred seventeen".