91600916 has 24 divisors (see below), whose sum is σ = 175657440. Its totient is φ = 41450400.

The previous prime is 91600903. The next prime is 91600933. The reversal of 91600916 is 61900619.

It is a happy number.

91600916 is a strobogrammatic number because it is the same when read upside-down.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5531 + ... + 14621.

It is an arithmetic number, because the mean of its divisors is an integer number (7319060).

Almost surely, 2^91600916 is an apocalyptic number.

It is an amenable number.

91600916 is a deficient number, since it is larger than the sum of its proper divisors (84056524).

91600916 is a wasteful number, since it uses less digits than its factorization.

91600916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335 (or 9333 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 91600916 is about 9570.8367450291. The cubic root of 91600916 is about 450.7820409512.

It can be divided in two parts, 91600 and 916, that multiplied together give a square (83905600 = 9160²).

The spelling of 91600916 in words is "ninety-one million, six hundred thousand, nine hundred sixteen".