966550055669 has 12 divisors (see below), whose sum is σ = 1072720897248. Its totient is φ = 870150965640.

The previous prime is 966550055663. The next prime is 966550055683.

966550055669 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 966550055669 - 2¹² = 966550051573 is a prime.

It is a super-2 number, since 2×966550055669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966550055663) 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 11 ways as a sum of consecutive naturals, for example, 38764319 + ... + 38789244.

It is an arithmetic number, because the mean of its divisors is an integer number (89393408104).

Almost surely, 2^966550055669 is an apocalyptic number.

It is an amenable number.

966550055669 is a deficient number, since it is larger than the sum of its proper divisors (106170841579).

966550055669 is a wasteful number, since it uses less digits than its factorization.

966550055669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77553688 (or 77553677 counting only the distinct ones).

The product of its (nonzero) digits is 65610000, while the sum is 62.

The spelling of 966550055669 in words is "nine hundred sixty-six billion, five hundred fifty million, fifty-five thousand, six hundred sixty-nine".