160117225 has 6 divisors (see below), whose sum is σ = 198545390. Its totient is φ = 128093760.

The previous prime is 160117211. The next prime is 160117247. The reversal of 160117225 is 522711061.

160117225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 43930384 + 116186841 = 6628^2 + 10779^2 .

It is not a de Polignac number, because 160117225 - 2⁵ = 160117193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 6404689 = 160117225 / (1 + 6 + 0 + 1 + 1 + 7 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 160117225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3202320 + ... + 3202369.

Almost surely, 2^160117225 is an apocalyptic number.

It is an amenable number.

160117225 is a deficient number, since it is larger than the sum of its proper divisors (38428165).

160117225 is an equidigital number, since it uses as much as digits as its factorization.

160117225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404699 (or 6404694 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 160117225 is about 12653.7435172363. The cubic root of 160117225 is about 543.0160732885.

Adding to 160117225 its reverse (522711061), we get a palindrome (682828286).

The spelling of 160117225 in words is "one hundred sixty million, one hundred seventeen thousand, two hundred twenty-five".