91008066 has 8 divisors (see below), whose sum is σ = 182016144. Its totient is φ = 30336020.

The previous prime is 91008059. The next prime is 91008083. The reversal of 91008066 is 66080019.

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

91008066 is an admirable 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, 7584000 + ... + 7584011.

It is an arithmetic number, because the mean of its divisors is an integer number (22752018).

Almost surely, 2^91008066 is an apocalyptic number.

91008066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91008066 is a wasteful number, since it uses less digits than its factorization.

91008066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15168016.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 91008066 is about 9539.8147780761. The cubic root of 91008066 is about 449.8074336571.

The spelling of 91008066 in words is "ninety-one million, eight thousand, sixty-six".