161440314 has 32 divisors (see below), whose sum is σ = 370085760. Its totient is φ = 45990912.

The previous prime is 161440273. The next prime is 161440327. The reversal of 161440314 is 413044161.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9382 + ... + 20270.

It is an arithmetic number, because the mean of its divisors is an integer number (11565180).

Almost surely, 2^161440314 is an apocalyptic number.

161440314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

161440314 is an abundant number, since it is smaller than the sum of its proper divisors (208645446).

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

161440314 is a wasteful number, since it uses less digits than its factorization.

161440314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11254.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 161440314 is about 12705.9164958692. The cubic root of 161440314 is about 544.5076652425.

Adding to 161440314 its reverse (413044161), we get a palindrome (574484475).

The spelling of 161440314 in words is "one hundred sixty-one million, four hundred forty thousand, three hundred fourteen".