340074161 has 6 divisors (see below), whose sum is σ = 395596530. Its totient is φ = 291492096.

The previous prime is 340074151. The next prime is 340074169. The reversal of 340074161 is 161470043.

It can be written as a sum of positive squares in only one way, i.e., 327429025 + 12645136 = 18095^2 + 3556^2 .

It is not a de Polignac number, because 340074161 - 2¹⁰ = 340073137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340074161.

It is not an unprimeable number, because it can be changed into a prime (340074169) 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 5 ways as a sum of consecutive naturals, for example, 3470096 + ... + 3470193.

It is an arithmetic number, because the mean of its divisors is an integer number (65932755).

Almost surely, 2^340074161 is an apocalyptic number.

It is an amenable number.

340074161 is a deficient number, since it is larger than the sum of its proper divisors (55522369).

340074161 is an equidigital number, since it uses as much as digits as its factorization.

340074161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6940303 (or 6940296 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 340074161 is about 18441.0997773994. The cubic root of 340074161 is about 698.0039469896.

The spelling of 340074161 in words is "three hundred forty million, seventy-four thousand, one hundred sixty-one".