67843161 has 12 divisors (see below), whose sum is σ = 98564388. Its totient is φ = 44966304.

The previous prime is 67843147. The next prime is 67843177. The reversal of 67843161 is 16134876.

It can be written as a sum of positive squares in 2 ways, for example, as 26163225 + 41679936 = 5115^2 + 6456^2 .

It is not a de Polignac number, because 67843161 - 2¹³ = 67834969 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67843361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20230 + ... + 23343.

It is an arithmetic number, because the mean of its divisors is an integer number (8213699).

Almost surely, 2^67843161 is an apocalyptic number.

It is an amenable number.

67843161 is a deficient number, since it is larger than the sum of its proper divisors (30721227).

67843161 is a wasteful number, since it uses less digits than its factorization.

67843161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43752 (or 43749 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 67843161 is about 8236.6960002176. The cubic root of 67843161 is about 407.8514633755.

The spelling of 67843161 in words is "sixty-seven million, eight hundred forty-three thousand, one hundred sixty-one".