7968546641 has 8 divisors (see below), whose sum is σ = 8802998400. Its totient is φ = 7152434640.

The previous prime is 7968546637. The next prime is 7968546647. The reversal of 7968546641 is 1466458697.

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 7968546641 - 2² = 7968546637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7968546647) 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, 4584026 + ... + 4585763.

It is an arithmetic number, because the mean of its divisors is an integer number (1100374800).

Almost surely, 2^7968546641 is an apocalyptic number.

It is an amenable number.

7968546641 is a deficient number, since it is larger than the sum of its proper divisors (834451759).

7968546641 is a wasteful number, since it uses less digits than its factorization.

7968546641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169879.

The product of its digits is 8709120, while the sum is 56.

The square root of 7968546641 is about 89266.7163112882. The cubic root of 7968546641 is about 1997.3754441097.

The spelling of 7968546641 in words is "seven billion, nine hundred sixty-eight million, five hundred forty-six thousand, six hundred forty-one".