161306214 has 8 divisors (see below), whose sum is σ = 322612440. Its totient is φ = 53768736.

The previous prime is 161306147. The next prime is 161306221. The reversal of 161306214 is 412603161.

161306214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

161306214 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13442179 + ... + 13442190.

It is an arithmetic number, because the mean of its divisors is an integer number (40326555).

Almost surely, 2^161306214 is an apocalyptic number.

161306214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161306214 is a wasteful number, since it uses less digits than its factorization.

161306214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26884374.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 161306214 is about 12700.6383304147. The cubic root of 161306214 is about 544.3568588279.

Adding to 161306214 its reverse (412603161), we get a palindrome (573909375).

The spelling of 161306214 in words is "one hundred sixty-one million, three hundred six thousand, two hundred fourteen".