91046918 has 16 divisors (see below), whose sum is σ = 137998080. Its totient is φ = 45050376.

The previous prime is 91046861. The next prime is 91046929. The reversal of 91046918 is 81964019.

91046918 = T₁₀₂ + T₁₀₃ + ... + T₈₁₇.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93671 + ... + 94637.

It is an arithmetic number, because the mean of its divisors is an integer number (8624880).

Almost surely, 2^91046918 is an apocalyptic number.

91046918 is a deficient number, since it is larger than the sum of its proper divisors (46951162).

91046918 is a wasteful number, since it uses less digits than its factorization.

91046918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 91046918 is about 9541.8508686732. The cubic root of 91046918 is about 449.8714332303.

The spelling of 91046918 in words is "ninety-one million, forty-six thousand, nine hundred eighteen".