1373343161 has 8 divisors (see below), whose sum is σ = 1445965920. Its totient is φ = 1300754592.

The previous prime is 1373343151. The next prime is 1373343173. The reversal of 1373343161 is 1613433731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1373343161 - 2²² = 1369148857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1373343151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142646 + ... + 151968.

It is an arithmetic number, because the mean of its divisors is an integer number (180745740).

Almost surely, 2^1373343161 is an apocalyptic number.

It is an amenable number.

1373343161 is a deficient number, since it is larger than the sum of its proper divisors (72622759).

1373343161 is an equidigital number, since it uses as much as digits as its factorization.

1373343161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17095.

The product of its digits is 13608, while the sum is 32.

The square root of 1373343161 is about 37058.6448888785. The cubic root of 1373343161 is about 1111.5432261379.

Adding to 1373343161 its reverse (1613433731), we get a palindrome (2986776892).

The spelling of 1373343161 in words is "one billion, three hundred seventy-three million, three hundred forty-three thousand, one hundred sixty-one".