340118161 has 2 divisors, whose sum is σ = 340118162. Its totient is φ = 340118160.

The previous prime is 340118153. The next prime is 340118231. The reversal of 340118161 is 161811043.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325441600 + 14676561 = 18040^2 + 3831^2 .

It is a cyclic number.

It is not a de Polignac number, because 340118161 - 2³ = 340118153 is a prime.

It is not a weakly prime, because it can be changed into another prime (340118131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170059080 + 170059081.

It is an arithmetic number, because the mean of its divisors is an integer number (170059081).

Almost surely, 2^340118161 is an apocalyptic number.

It is an amenable number.

340118161 is a deficient number, since it is larger than the sum of its proper divisors (1).

340118161 is an equidigital number, since it uses as much as digits as its factorization.

340118161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 340118161 is about 18442.2927262312. The cubic root of 340118161 is about 698.0340490994.

The spelling of 340118161 in words is "three hundred forty million, one hundred eighteen thousand, one hundred sixty-one".