6491716023 has 8 divisors (see below), whose sum is σ = 9321438448. Its totient is φ = 3994902144.

The previous prime is 6491716019. The next prime is 6491716031. The reversal of 6491716023 is 3206171946.

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

It is not a de Polignac number, because 6491716023 - 2² = 6491716019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 166454257 = 6491716023 / (6 + 4 + 9 + 1 + 7 + 1 + 6 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6491716003) 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, 83227090 + ... + 83227167.

It is an arithmetic number, because the mean of its divisors is an integer number (1165179806).

Almost surely, 2^6491716023 is an apocalyptic number.

6491716023 is a deficient number, since it is larger than the sum of its proper divisors (2829722425).

6491716023 is a wasteful number, since it uses less digits than its factorization.

6491716023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166454273.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6491716023 is about 80571.1860592855. The cubic root of 6491716023 is about 1865.4624199134.

Adding to 6491716023 its reverse (3206171946), we get a palindrome (9697887969).

The spelling of 6491716023 in words is "six billion, four hundred ninety-one million, seven hundred sixteen thousand, twenty-three".