86218346566 has 64 divisors (see below), whose sum is σ = 153420503040. Its totient is φ = 35901792000.

The previous prime is 86218346507. The next prime is 86218346573. The reversal of 86218346566 is 66564381268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29555740 + ... + 29558656.

It is an arithmetic number, because the mean of its divisors is an integer number (2397195360).

Almost surely, 2^86218346566 is an apocalyptic number.

86218346566 is a deficient number, since it is larger than the sum of its proper divisors (67202156474).

86218346566 is a wasteful number, since it uses less digits than its factorization.

86218346566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261.

The product of its digits is 9953280, while the sum is 55.

The spelling of 86218346566 in words is "eighty-six billion, two hundred eighteen million, three hundred forty-six thousand, five hundred sixty-six".