6707216651 has 4 divisors (see below), whose sum is σ = 6723148704. Its totient is φ = 6691284600.

The previous prime is 6707216641. The next prime is 6707216671. The reversal of 6707216651 is 1566127076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6707216651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6707216599 and 6707216608.

It is not an unprimeable number, because it can be changed into a prime (6707216641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7965395 + ... + 7966236.

It is an arithmetic number, because the mean of its divisors is an integer number (1680787176).

Almost surely, 2^6707216651 is an apocalyptic number.

6707216651 is a deficient number, since it is larger than the sum of its proper divisors (15932053).

6707216651 is a wasteful number, since it uses less digits than its factorization.

6707216651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932052.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 6707216651 is about 81897.5985667468. The cubic root of 6707216651 is about 1885.8802466895.

The spelling of 6707216651 in words is "six billion, seven hundred seven million, two hundred sixteen thousand, six hundred fifty-one".