966693396669 has 64 divisors (see below), whose sum is σ = 1770830358528. Its totient is φ = 452769004800.

The previous prime is 966693396661. The next prime is 966693396671.

966693396669 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 966693396669 - 2³ = 966693396661 is a prime.

It is a super-2 number, since 2×966693396669² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 966693396594 and 966693396603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966693396661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3614002 + ... + 3872259.

It is an arithmetic number, because the mean of its divisors is an integer number (27669224352).

Almost surely, 2^966693396669 is an apocalyptic number.

It is an amenable number.

966693396669 is a deficient number, since it is larger than the sum of its proper divisors (804136961859).

966693396669 is a wasteful number, since it uses less digits than its factorization.

966693396669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486338.

The product of its digits is 2754990144, while the sum is 78.

The spelling of 966693396669 in words is "nine hundred sixty-six billion, six hundred ninety-three million, three hundred ninety-six thousand, six hundred sixty-nine".