91682444064 has 24 divisors (see below), whose sum is σ = 240666415920. Its totient is φ = 30560814656.

The previous prime is 91682444033. The next prime is 91682444153. The reversal of 91682444064 is 46044428619.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477512634 + ... + 477512825.

It is an arithmetic number, because the mean of its divisors is an integer number (10027767330).

Almost surely, 2^91682444064 is an apocalyptic number.

It is an amenable number.

91682444064 is an abundant number, since it is smaller than the sum of its proper divisors (148983971856).

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

91682444064 is a wasteful number, since it uses less digits than its factorization.

91682444064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955025472 (or 955025464 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 91682444064 in words is "ninety-one billion, six hundred eighty-two million, four hundred forty-four thousand, sixty-four".