8664690964668 has 48 divisors (see below), whose sum is σ = 22337617639680. Its totient is φ = 2600145965824.

The previous prime is 8664690964667. The next prime is 8664690964679.

8664690964668 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8664690964593 and 8664690964602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664690964663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923342598 + ... + 923351981.

It is an arithmetic number, because the mean of its divisors is an integer number (465367034160).

Almost surely, 2^{8664690964668} is an apocalyptic number.

It is an amenable number.

8664690964668 is an abundant number, since it is smaller than the sum of its proper divisors (13672926675012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8664690964668 is a wasteful number, since it uses less digits than its factorization.

8664690964668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846694626 (or 1846694624 counting only the distinct ones).

The product of its (nonzero) digits is 3869835264, while the sum is 78.

The spelling of 8664690964668 in words is "eight trillion, six hundred sixty-four billion, six hundred ninety million, nine hundred sixty-four thousand, six hundred sixty-eight".