6501616345 has 8 divisors (see below), whose sum is σ = 8916502464. Its totient is φ = 4458251184.

The previous prime is 6501616321. The next prime is 6501616349. The reversal of 6501616345 is 5436161056.

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 6501616345 - 2¹⁵ = 6501583577 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6501616349) 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, 92880199 + ... + 92880268.

It is an arithmetic number, because the mean of its divisors is an integer number (1114562808).

Almost surely, 2^6501616345 is an apocalyptic number.

It is an amenable number.

6501616345 is a deficient number, since it is larger than the sum of its proper divisors (2414886119).

6501616345 is a wasteful number, since it uses less digits than its factorization.

6501616345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185760479.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6501616345 is about 80632.6010060447. The cubic root of 6501616345 is about 1866.4102585558.

The spelling of 6501616345 in words is "six billion, five hundred one million, six hundred sixteen thousand, three hundred forty-five".