160172427 has 4 divisors (see below), whose sum is σ = 213563240. Its totient is φ = 106781616.

The previous prime is 160172407. The next prime is 160172431. The reversal of 160172427 is 724271061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724271061 = 3 ⋅241423687.

It is a de Polignac number, because none of the positive numbers 2^k-160172427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160172394 and 160172403.

It is not an unprimeable number, because it can be changed into a prime (160172407) 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, 26695402 + ... + 26695407.

It is an arithmetic number, because the mean of its divisors is an integer number (53390810).

Almost surely, 2^160172427 is an apocalyptic number.

160172427 is a deficient number, since it is larger than the sum of its proper divisors (53390813).

160172427 is an equidigital number, since it uses as much as digits as its factorization.

160172427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53390812.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 160172427 is about 12655.9245810016. The cubic root of 160172427 is about 543.0784695093.

The spelling of 160172427 in words is "one hundred sixty million, one hundred seventy-two thousand, four hundred twenty-seven".