6567759467961 has 8 divisors (see below), whose sum is σ = 9272131013664. Its totient is φ = 4120947117120.

The previous prime is 6567759467923. The next prime is 6567759468001. The reversal of 6567759467961 is 1697649577656.

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

It is not a de Polignac number, because 6567759467961 - 2²³ = 6567751079353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6567759467161) 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, 64389798655 + ... + 64389798756.

It is an arithmetic number, because the mean of its divisors is an integer number (1159016376708).

Almost surely, 2^{6567759467961} is an apocalyptic number.

It is an amenable number.

6567759467961 is a deficient number, since it is larger than the sum of its proper divisors (2704371545703).

6567759467961 is a wasteful number, since it uses less digits than its factorization.

6567759467961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128779597431.

The product of its digits is 3600676800, while the sum is 78.

The spelling of 6567759467961 in words is "six trillion, five hundred sixty-seven billion, seven hundred fifty-nine million, four hundred sixty-seven thousand, nine hundred sixty-one".