91164116 has 12 divisors (see below), whose sum is σ = 159804288. Its totient is φ = 45505752.

The previous prime is 91164103. The next prime is 91164121. The reversal of 91164116 is 61146119.

It is a super-2 number, since 2×91164116² = 16621792092122912, which contains 22 as substring.

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, 16346 + ... + 21201.

It is an arithmetic number, because the mean of its divisors is an integer number (13317024).

Almost surely, 2^91164116 is an apocalyptic number.

It is an amenable number.

91164116 is a deficient number, since it is larger than the sum of its proper divisors (68640172).

91164116 is a wasteful number, since it uses less digits than its factorization.

91164116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38158 (or 38156 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 91164116 is about 9547.9901550012. The cubic root of 91164116 is about 450.0643792665.

The spelling of 91164116 in words is "ninety-one million, one hundred sixty-four thousand, one hundred sixteen".