161316614 has 4 divisors (see below), whose sum is σ = 241974924. Its totient is φ = 80658306.

The previous prime is 161316613. The next prime is 161316629. The reversal of 161316614 is 416613161.

161316614 is digitally balanced in base 3, because in such base 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: 416613161 = 71 ⋅5867791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161316611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40329152 + ... + 40329155.

It is an arithmetic number, because the mean of its divisors is an integer number (60493731).

Almost surely, 2^161316614 is an apocalyptic number.

161316614 is a deficient number, since it is larger than the sum of its proper divisors (80658310).

161316614 is an equidigital number, since it uses as much as digits as its factorization.

161316614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80658309.

The product of its digits is 2592, while the sum is 29.

The square root of 161316614 is about 12701.0477520557. The cubic root of 161316614 is about 544.3685574672.

Adding to 161316614 its reverse (416613161), we get a palindrome (577929775).

The spelling of 161316614 in words is "one hundred sixty-one million, three hundred sixteen thousand, six hundred fourteen".