91534064 has 20 divisors (see below), whose sum is σ = 177987120. Its totient is φ = 45601920.

The previous prime is 91534049. The next prime is 91534081. The reversal of 91534064 is 46043519.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91534064.

It is a congruent number.

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, 5684 + ... + 14675.

It is an arithmetic number, because the mean of its divisors is an integer number (8899356).

Almost surely, 2^91534064 is an apocalyptic number.

It is an amenable number.

91534064 is a deficient number, since it is larger than the sum of its proper divisors (86453056).

91534064 is a wasteful number, since it uses less digits than its factorization.

91534064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648 (or 20642 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 91534064 is about 9567.3436229708. The cubic root of 91534064 is about 450.6723513088.

The spelling of 91534064 in words is "ninety-one million, five hundred thirty-four thousand, sixty-four".