986663366689 has 32 divisors (see below), whose sum is σ = 1324835398656. Its totient is φ = 709642624320.

The previous prime is 986663366671. The next prime is 986663366693.

986663366689 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 986663366689 - 2¹⁵ = 986663333921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (986663366389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29359554 + ... + 29393140.

It is an arithmetic number, because the mean of its divisors is an integer number (41401106208).

Almost surely, 2^986663366689 is an apocalyptic number.

It is an amenable number.

986663366689 is a deficient number, since it is larger than the sum of its proper divisors (338172031967).

986663366689 is a wasteful number, since it uses less digits than its factorization.

986663366689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62965.

The product of its digits is 2176782336, while the sum is 76.

The spelling of 986663366689 in words is "nine hundred eighty-six billion, six hundred sixty-three million, three hundred sixty-six thousand, six hundred eighty-nine".