161071064339 has 4 divisors (see below), whose sum is σ = 163011679656. Its totient is φ = 159130449024.

The previous prime is 161071064309. The next prime is 161071064353. The reversal of 161071064339 is 933460170161.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161071064339 - 2²⁴ = 161054287123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161071064296 and 161071064305.

It is not an unprimeable number, because it can be changed into a prime (161071064309) 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, 970307534 + ... + 970307699.

It is an arithmetic number, because the mean of its divisors is an integer number (40752919914).

Almost surely, 2^161071064339 is an apocalyptic number.

161071064339 is a deficient number, since it is larger than the sum of its proper divisors (1940615317).

161071064339 is an equidigital number, since it uses as much as digits as its factorization.

161071064339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940615316.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 161071064339 in words is "one hundred sixty-one billion, seventy-one million, sixty-four thousand, three hundred thirty-nine".