86646186465 has 8 divisors (see below), whose sum is σ = 138633898368. Its totient is φ = 46211299440.

The previous prime is 86646186437. The next prime is 86646186467. The reversal of 86646186465 is 56468164668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86646186465 - 2¹⁰ = 86646185441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86646186399 and 86646186408.

It is not an unprimeable number, because it can be changed into a prime (86646186467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888206201 + ... + 2888206230.

It is an arithmetic number, because the mean of its divisors is an integer number (17329237296).

Almost surely, 2^86646186465 is an apocalyptic number.

It is an amenable number.

86646186465 is a deficient number, since it is larger than the sum of its proper divisors (51987711903).

86646186465 is a wasteful number, since it uses less digits than its factorization.

86646186465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776412439.

The product of its digits is 39813120, while the sum is 60.

The spelling of 86646186465 in words is "eighty-six billion, six hundred forty-six million, one hundred eighty-six thousand, four hundred sixty-five".