966168886909 has 4 divisors (see below), whose sum is σ = 966476881404. Its totient is φ = 965860892416.

The previous prime is 966168886847. The next prime is 966168886939. The reversal of 966168886909 is 909688861669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 909688861669 = 7 ⋅129955551667.

It can be written as a sum of positive squares in 2 ways, for example, as 478096188025 + 488072698884 = 691445^2 + 698622^2 .

It is a cyclic number.

It is not a de Polignac number, because 966168886909 - 2¹⁵ = 966168854141 is a prime.

It is a super-3 number, since 3×966168886909³ (a number of 37 digits) contains 333 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 (966168886939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153992542 + ... + 153998815.

It is an arithmetic number, because the mean of its divisors is an integer number (241619220351).

Almost surely, 2^966168886909 is an apocalyptic number.

It is an amenable number.

966168886909 is a deficient number, since it is larger than the sum of its proper divisors (307994495).

966168886909 is a wasteful number, since it uses less digits than its factorization.

966168886909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307994494.

The product of its (nonzero) digits is 483729408, while the sum is 76.

The spelling of 966168886909 in words is "nine hundred sixty-six billion, one hundred sixty-eight million, eight hundred eighty-six thousand, nine hundred nine".