86521016056 has 16 divisors (see below), whose sum is σ = 162271079640. Its totient is φ = 43248728160.

The previous prime is 86521016051. The next prime is 86521016111. The reversal of 86521016056 is 65061012568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86521016051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441230 + ... + 1500061.

Almost surely, 2^86521016056 is an apocalyptic number.

It is an amenable number.

86521016056 is a deficient number, since it is larger than the sum of its proper divisors (75750063584).

86521016056 is a wasteful number, since it uses less digits than its factorization.

86521016056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944974 (or 2944970 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 86521016056 in words is "eighty-six billion, five hundred twenty-one million, sixteen thousand, fifty-six".