343543455161 has 2 divisors, whose sum is σ = 343543455162. Its totient is φ = 343543455160.

The previous prime is 343543455107. The next prime is 343543455221. The reversal of 343543455161 is 161554345343.

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., 343185072400 + 358382761 = 585820^2 + 18931^2 .

It is a cyclic number.

It is not a de Polignac number, because 343543455161 - 2³⁰ = 342469713337 is a prime.

It is not a weakly prime, because it can be changed into another prime (343543455461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171771727580 + 171771727581.

It is an arithmetic number, because the mean of its divisors is an integer number (171771727581).

Almost surely, 2^343543455161 is an apocalyptic number.

It is an amenable number.

343543455161 is a deficient number, since it is larger than the sum of its proper divisors (1).

343543455161 is an equidigital number, since it uses as much as digits as its factorization.

343543455161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 44.

The spelling of 343543455161 in words is "three hundred forty-three billion, five hundred forty-three million, four hundred fifty-five thousand, one hundred sixty-one".