6541116445 has 8 divisors (see below), whose sum is σ = 7859023200. Its totient is φ = 5226437520.

The previous prime is 6541116443. The next prime is 6541116473. The reversal of 6541116445 is 5446111456.

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

It is not a de Polignac number, because 6541116445 - 2¹ = 6541116443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6541116443) 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, 802495 + ... + 810604.

It is an arithmetic number, because the mean of its divisors is an integer number (982377900).

Almost surely, 2^6541116445 is an apocalyptic number.

It is an amenable number.

6541116445 is a deficient number, since it is larger than the sum of its proper divisors (1317906755).

6541116445 is a wasteful number, since it uses less digits than its factorization.

6541116445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613915.

The product of its digits is 57600, while the sum is 37.

The square root of 6541116445 is about 80877.1688735455. The cubic root of 6541116445 is about 1870.1823766191.

The spelling of 6541116445 in words is "six billion, five hundred forty-one million, one hundred sixteen thousand, four hundred forty-five".