966484721665 has 8 divisors (see below), whose sum is σ = 1210206955968. Its totient is φ = 739570917360.

The previous prime is 966484721663. The next prime is 966484721669. The reversal of 966484721665 is 566127484669.

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

It is not a de Polignac number, because 966484721665 - 2¹ = 966484721663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 966484721597 and 966484721606.

It is not an unprimeable number, because it can be changed into a prime (966484721663) 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, 4202107371 + ... + 4202107600.

It is an arithmetic number, because the mean of its divisors is an integer number (151275869496).

Almost surely, 2^966484721665 is an apocalyptic number.

It is an amenable number.

966484721665 is a deficient number, since it is larger than the sum of its proper divisors (243722234303).

966484721665 is a wasteful number, since it uses less digits than its factorization.

966484721665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8404214999.

The product of its digits is 104509440, while the sum is 64.

The spelling of 966484721665 in words is "nine hundred sixty-six billion, four hundred eighty-four million, seven hundred twenty-one thousand, six hundred sixty-five".