161214163 has 4 divisors (see below), whose sum is σ = 175870008. Its totient is φ = 146558320.

The previous prime is 161214101. The next prime is 161214169. The reversal of 161214163 is 361412161.

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-161214163 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161214169) 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, 7327906 + ... + 7327927.

It is an arithmetic number, because the mean of its divisors is an integer number (43967502).

Almost surely, 2^161214163 is an apocalyptic number.

161214163 is a deficient number, since it is larger than the sum of its proper divisors (14655845).

161214163 is a wasteful number, since it uses less digits than its factorization.

161214163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14655844.

The product of its digits is 864, while the sum is 25.

The square root of 161214163 is about 12697.0139402932. The cubic root of 161214163 is about 544.2532915677.

The spelling of 161214163 in words is "one hundred sixty-one million, two hundred fourteen thousand, one hundred sixty-three".