214409161 has 8 divisors (see below), whose sum is σ = 216072584. Its totient is φ = 212751360.

The previous prime is 214409149. The next prime is 214409171. The reversal of 214409161 is 161904412.

It can be written as a sum of positive squares in 4 ways, for example, as 34339600 + 180069561 = 5860^2 + 13419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214409161 - 2⁷ = 214409033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214409171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103411 + ... + 105463.

It is an arithmetic number, because the mean of its divisors is an integer number (27009073).

Almost surely, 2^214409161 is an apocalyptic number.

It is an amenable number.

214409161 is a deficient number, since it is larger than the sum of its proper divisors (1663423).

214409161 is a wasteful number, since it uses less digits than its factorization.

214409161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 214409161 is about 14642.7169951481. The cubic root of 214409161 is about 598.5233698461.

The spelling of 214409161 in words is "two hundred fourteen million, four hundred nine thousand, one hundred sixty-one".