966659956669 has 8 divisors (see below), whose sum is σ = 1064776370112. Its totient is φ = 870249915840.

The previous prime is 966659956643. The next prime is 966659956679.

966659956669 is nontrivially palindromic in base 10.

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 966659956669 - 2¹⁹ = 966659432381 is a prime.

It is a super-2 number, since 2×966659956669² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 966659956592 and 966659956601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966659956679) 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, 426591964 + ... + 426594229.

It is an arithmetic number, because the mean of its divisors is an integer number (133097046264).

Almost surely, 2^966659956669 is an apocalyptic number.

It is an amenable number.

966659956669 is a deficient number, since it is larger than the sum of its proper divisors (98116413443).

966659956669 is a wasteful number, since it uses less digits than its factorization.

966659956669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853186307.

The product of its digits is 7652750400, while the sum is 82.

The spelling of 966659956669 in words is "nine hundred sixty-six billion, six hundred fifty-nine million, nine hundred fifty-six thousand, six hundred sixty-nine".