160002161 has 4 divisors (see below), whose sum is σ = 174547824. Its totient is φ = 145456500.

The previous prime is 160002137. The next prime is 160002187. The reversal of 160002161 is 161200061.

It is a happy number.

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 160002161 - 2²² = 155807857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (160002061) 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, 7272815 + ... + 7272836.

It is an arithmetic number, because the mean of its divisors is an integer number (43636956).

Almost surely, 2^160002161 is an apocalyptic number.

160002161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

160002161 is a deficient number, since it is larger than the sum of its proper divisors (14545663).

160002161 is a wasteful number, since it uses less digits than its factorization.

160002161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14545662.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 160002161 is about 12649.1960614104. The cubic root of 160002161 is about 542.8859674148.

The spelling of 160002161 in words is "one hundred sixty million, two thousand, one hundred sixty-one".