86541640158832 has 80 divisors (see below), whose sum is σ = 174801440300320. Its totient is φ = 41468402221056.

The previous prime is 86541640158829. The next prime is 86541640158863. The reversal of 86541640158832 is 23885104614568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30581728 + ... + 33291520.

It is an arithmetic number, because the mean of its divisors is an integer number (2185018003754).

Almost surely, 2^{86541640158832} is an apocalyptic number.

It is an amenable number.

86541640158832 is an abundant number, since it is smaller than the sum of its proper divisors (88259800141488).

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

86541640158832 is a wasteful number, since it uses less digits than its factorization.

86541640158832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710650 (or 2710644 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 86541640158832 in words is "eighty-six trillion, five hundred forty-one billion, six hundred forty million, one hundred fifty-eight thousand, eight hundred thirty-two".