91058064 has 40 divisors (see below), whose sum is σ = 235758720. Its totient is φ = 30284928.

The previous prime is 91058039. The next prime is 91058113. The reversal of 91058064 is 46085019.

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, 22569 + ... + 26295.

It is an arithmetic number, because the mean of its divisors is an integer number (5893968).

Almost surely, 2^91058064 is an apocalyptic number.

It is an amenable number.

91058064 is an abundant number, since it is smaller than the sum of its proper divisors (144700656).

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

91058064 is a wasteful number, since it uses less digits than its factorization.

91058064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247 (or 4241 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 91058064 is about 9542.4349093929. The cubic root of 91058064 is about 449.8897902946.

The spelling of 91058064 in words is "ninety-one million, fifty-eight thousand, sixty-four".