966567767765669 has 4 divisors (see below), whose sum is σ = 966624467950944. Its totient is φ = 966511067580396.

The previous prime is 966567767765653. The next prime is 966567767765749.

966567767765669 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 966567767765669 - 2⁴ = 966567767765653 is a prime.

It is a super-2 number, since 2×966567767765669² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966567767765969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28350067067 + ... + 28350101160.

It is an arithmetic number, because the mean of its divisors is an integer number (241656116987736).

Almost surely, 2^{966567767765669} is an apocalyptic number.

It is an amenable number.

966567767765669 is a deficient number, since it is larger than the sum of its proper divisors (56700185275).

966567767765669 is a wasteful number, since it uses less digits than its factorization.

966567767765669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56700185274.

The product of its digits is 1361055830400, while the sum is 98.

The spelling of 966567767765669 in words is "nine hundred sixty-six trillion, five hundred sixty-seven billion, seven hundred sixty-seven million, seven hundred sixty-five thousand, six hundred sixty-nine".