161330314 has 4 divisors (see below), whose sum is σ = 241995474. Its totient is φ = 80665156.

The previous prime is 161330297. The next prime is 161330339. The reversal of 161330314 is 413033161.

It is a happy number.

161330314 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 413033161 = 107 ⋅3860123.

It can be written as a sum of positive squares in only one way, i.e., 158382225 + 2948089 = 12585^2 + 1717^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40332577 + ... + 40332580.

Almost surely, 2^161330314 is an apocalyptic number.

161330314 is a deficient number, since it is larger than the sum of its proper divisors (80665160).

161330314 is an equidigital number, since it uses as much as digits as its factorization.

161330314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80665159.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 161330314 is about 12701.5870661898. The cubic root of 161330314 is about 544.3839674074.

Adding to 161330314 its reverse (413033161), we get a palindrome (574363475).

The spelling of 161330314 in words is "one hundred sixty-one million, three hundred thirty thousand, three hundred fourteen".