6541161347 has 4 divisors (see below), whose sum is σ = 7475612976. Its totient is φ = 5606709720.

The previous prime is 6541161317. The next prime is 6541161373. The reversal of 6541161347 is 7431611456.

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 6541161347 - 2⁶ = 6541161283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6541161347.

It is not an unprimeable number, because it can be changed into a prime (6541161317) 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, 467225804 + ... + 467225817.

It is an arithmetic number, because the mean of its divisors is an integer number (1868903244).

Almost surely, 2^6541161347 is an apocalyptic number.

6541161347 is a deficient number, since it is larger than the sum of its proper divisors (934451629).

6541161347 is an equidigital number, since it uses as much as digits as its factorization.

6541161347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934451628.

The product of its digits is 60480, while the sum is 38.

The square root of 6541161347 is about 80877.4464668612. The cubic root of 6541161347 is about 1870.1866559466.

The spelling of 6541161347 in words is "six billion, five hundred forty-one million, one hundred sixty-one thousand, three hundred forty-seven".