161750234 has 16 divisors (see below), whose sum is σ = 247750272. Its totient is φ = 79184448.

The previous prime is 161750221. The next prime is 161750243. The reversal of 161750234 is 432057161.

161750234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161750197 and 161750206.

It is an unprimeable number.

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, 14447 + ... + 23069.

It is an arithmetic number, because the mean of its divisors is an integer number (15484392).

Almost surely, 2^161750234 is an apocalyptic number.

161750234 is a deficient number, since it is larger than the sum of its proper divisors (86000038).

161750234 is a wasteful number, since it uses less digits than its factorization.

161750234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 161750234 is about 12718.1065414628. The cubic root of 161750234 is about 544.8558763756.

The spelling of 161750234 in words is "one hundred sixty-one million, seven hundred fifty thousand, two hundred thirty-four".