214899161 has 4 divisors (see below), whose sum is σ = 221831424. Its totient is φ = 207966900.

The previous prime is 214899151. The next prime is 214899169. The reversal of 214899161 is 161998412.

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 214899161 - 2¹⁰ = 214898137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214899169) 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, 3466085 + ... + 3466146.

It is an arithmetic number, because the mean of its divisors is an integer number (55457856).

Almost surely, 2^214899161 is an apocalyptic number.

It is an amenable number.

214899161 is a deficient number, since it is larger than the sum of its proper divisors (6932263).

214899161 is an equidigital number, since it uses as much as digits as its factorization.

214899161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932262.

The product of its digits is 31104, while the sum is 41.

The square root of 214899161 is about 14659.4393139710. The cubic root of 214899161 is about 598.9789681050.

The spelling of 214899161 in words is "two hundred fourteen million, eight hundred ninety-nine thousand, one hundred sixty-one".