91608682 has 16 divisors (see below), whose sum is σ = 158723712. Its totient is φ = 39190720.

The previous prime is 91608653. The next prime is 91608683. The reversal of 91608682 is 28680619.

It is not an unprimeable number, because it can be changed into a prime (91608683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122098 + ... + 122845.

It is an arithmetic number, because the mean of its divisors is an integer number (9920232).

Almost surely, 2^91608682 is an apocalyptic number.

91608682 is a deficient number, since it is larger than the sum of its proper divisors (67115030).

91608682 is a wasteful number, since it uses less digits than its factorization.

91608682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244973.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 91608682 is about 9571.2424480837. The cubic root of 91608682 is about 450.7947798136.

The spelling of 91608682 in words is "ninety-one million, six hundred eight thousand, six hundred eighty-two".