86665056668 has 24 divisors (see below), whose sum is σ = 161226826320. Its totient is φ = 40645411200.

The previous prime is 86665056593. The next prime is 86665056677.

86665056668 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 86665056668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5637521 + ... + 5652872.

It is an arithmetic number, because the mean of its divisors is an integer number (6717784430).

Almost surely, 2^86665056668 is an apocalyptic number.

It is an amenable number.

86665056668 is a deficient number, since it is larger than the sum of its proper divisors (74561769652).

86665056668 is a wasteful number, since it uses less digits than its factorization.

86665056668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11290517 (or 11290515 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 62.

The spelling of 86665056668 in words is "eighty-six billion, six hundred sixty-five million, fifty-six thousand, six hundred sixty-eight".