347035665161 has 4 divisors (see below), whose sum is σ = 347041870032. Its totient is φ = 347029460292.

The previous prime is 347035665157. The next prime is 347035665181. The reversal of 347035665161 is 161566530743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161566530743 = 179 ⋅902606317.

It is a cyclic number.

It is not a de Polignac number, because 347035665161 - 2² = 347035665157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347035665181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3017771 + ... + 3130656.

It is an arithmetic number, because the mean of its divisors is an integer number (86760467508).

Almost surely, 2^347035665161 is an apocalyptic number.

It is an amenable number.

347035665161 is a deficient number, since it is larger than the sum of its proper divisors (6204871).

347035665161 is an equidigital number, since it uses as much as digits as its factorization.

347035665161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6204870.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 347035665161 in words is "three hundred forty-seven billion, thirty-five million, six hundred sixty-five thousand, one hundred sixty-one".