91546416 has 80 divisors (see below), whose sum is σ = 283002720. Its totient is φ = 28166400.

The previous prime is 91546381. The next prime is 91546439. The reversal of 91546416 is 61464519.

91546416 is a `hidden beast` number, since 9 + 1 + 5 + 4 + 641 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 2535 + ... + 13766.

It is an arithmetic number, because the mean of its divisors is an integer number (3537534).

Almost surely, 2^91546416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91546416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141501360).

91546416 is an abundant number, since it is smaller than the sum of its proper divisors (191456304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91546416 is a wasteful number, since it uses less digits than its factorization.

91546416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331 (or 16319 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 91546416 is about 9567.9891304286. The cubic root of 91546416 is about 450.6926222850.

The spelling of 91546416 in words is "ninety-one million, five hundred forty-six thousand, four hundred sixteen".