1343641161 has 8 divisors (see below), whose sum is σ = 1821886560. Its totient is φ = 880578272.

The previous prime is 1343641157. The next prime is 1343641171. The reversal of 1343641161 is 1611463431.

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

It is a cyclic number.

It is not a de Polignac number, because 1343641161 - 2² = 1343641157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343641171) 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, 3795420 + ... + 3795773.

It is an arithmetic number, because the mean of its divisors is an integer number (227735820).

Almost surely, 2^1343641161 is an apocalyptic number.

It is an amenable number.

1343641161 is a deficient number, since it is larger than the sum of its proper divisors (478245399).

1343641161 is an equidigital number, since it uses as much as digits as its factorization.

1343641161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591255.

The product of its digits is 5184, while the sum is 30.

The square root of 1343641161 is about 36655.7111648376. The cubic root of 1343641161 is about 1103.4714465729.

The spelling of 1343641161 in words is "one billion, three hundred forty-three million, six hundred forty-one thousand, one hundred sixty-one".