161325410 has 16 divisors (see below), whose sum is σ = 307467576. Its totient is φ = 60734208.

The previous prime is 161325407. The next prime is 161325413. The reversal of 161325410 is 14523161.

161325410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161325407) and next prime (161325413).

It can be written as a sum of positive squares in 4 ways, for example, as 159340129 + 1985281 = 12623^2 + 1409^2 .

It is not an unprimeable number, because it can be changed into a prime (161325413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474317 + ... + 474656.

Almost surely, 2^161325410 is an apocalyptic number.

161325410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161325410 is a deficient number, since it is larger than the sum of its proper divisors (146142166).

161325410 is a wasteful number, since it uses less digits than its factorization.

161325410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948997.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 161325410 is about 12701.3940179809. The cubic root of 161325410 is about 544.3784514240.

Adding to 161325410 its reverse (14523161), we get a palindrome (175848571).

The spelling of 161325410 in words is "one hundred sixty-one million, three hundred twenty-five thousand, four hundred ten".