160166399 has 4 divisors (see below), whose sum is σ = 160713336. Its totient is φ = 159619464.

The previous prime is 160166389. The next prime is 160166467. The reversal of 160166399 is 993661061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-160166399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160166309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273029 + ... + 273614.

It is an arithmetic number, because the mean of its divisors is an integer number (40178334).

Almost surely, 2^160166399 is an apocalyptic number.

160166399 is a deficient number, since it is larger than the sum of its proper divisors (546937).

160166399 is an equidigital number, since it uses as much as digits as its factorization.

160166399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546936.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 160166399 is about 12655.6864294277. The cubic root of 160166399 is about 543.0716566053.

The spelling of 160166399 in words is "one hundred sixty million, one hundred sixty-six thousand, three hundred ninety-nine".