8144661343 has 8 divisors (see below), whose sum is σ = 10024198688. Its totient is φ = 6444127584.

The previous prime is 8144661323. The next prime is 8144661377. The reversal of 8144661343 is 3431664418.

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 8144661343 - 2²⁵ = 8111106911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8144661296 and 8144661305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8144661323) 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, 44750796 + ... + 44750977.

It is an arithmetic number, because the mean of its divisors is an integer number (1253024836).

Almost surely, 2^8144661343 is an apocalyptic number.

8144661343 is a deficient number, since it is larger than the sum of its proper divisors (1879537345).

8144661343 is a wasteful number, since it uses less digits than its factorization.

8144661343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89501793.

The product of its digits is 165888, while the sum is 40.

The square root of 8144661343 is about 90247.7774961799. Note that the first 3 decimals coincide. The cubic root of 8144661343 is about 2011.9831703360.

The spelling of 8144661343 in words is "eight billion, one hundred forty-four million, six hundred sixty-one thousand, three hundred forty-three".