91051046 has 8 divisors (see below), whose sum is σ = 136744200. Its totient is φ = 45469648.

The previous prime is 91051027. The next prime is 91051049. The reversal of 91051046 is 64015019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91051049) by changing a digit.

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, 25871 + ... + 29178.

It is an arithmetic number, because the mean of its divisors is an integer number (17093025).

Almost surely, 2^91051046 is an apocalyptic number.

91051046 is a deficient number, since it is larger than the sum of its proper divisors (45693154).

91051046 is a wasteful number, since it uses less digits than its factorization.

91051046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55878.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 91051046 is about 9542.0671764561. The cubic root of 91051046 is about 449.8782320737.

The spelling of 91051046 in words is "ninety-one million, fifty-one thousand, forty-six".