86658526064 has 40 divisors (see below), whose sum is σ = 192804862080. Its totient is φ = 37317067200.

The previous prime is 86658526057. The next prime is 86658526093. The reversal of 86658526064 is 46062585668.

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, 12953972 + ... + 12960659.

It is an arithmetic number, because the mean of its divisors is an integer number (4820121552).

Almost surely, 2^86658526064 is an apocalyptic number.

It is an amenable number.

86658526064 is an abundant number, since it is smaller than the sum of its proper divisors (106146336016).

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

86658526064 is a wasteful number, since it uses less digits than its factorization.

86658526064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25914669 (or 25914663 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 86658526064 in words is "eighty-six billion, six hundred fifty-eight million, five hundred twenty-six thousand, sixty-four".