91350664 has 16 divisors (see below), whose sum is σ = 178729920. Its totient is φ = 43689360.

The previous prime is 91350653. The next prime is 91350671. The reversal of 91350664 is 46605319.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248052 + ... + 248419.

It is an arithmetic number, because the mean of its divisors is an integer number (11170620).

Almost surely, 2^91350664 is an apocalyptic number.

It is an amenable number.

91350664 is a deficient number, since it is larger than the sum of its proper divisors (87379256).

91350664 is a wasteful number, since it uses less digits than its factorization.

91350664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496500 (or 496496 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 91350664 is about 9557.7541295013. The cubic root of 91350664 is about 450.3711571622.

The spelling of 91350664 in words is "ninety-one million, three hundred fifty thousand, six hundred sixty-four".