91660104 has 48 divisors (see below), whose sum is σ = 261315600. Its totient is φ = 28944864.

The previous prime is 91660081. The next prime is 91660109. The reversal of 91660104 is 40106619.

It is not an unprimeable number, because it can be changed into a prime (91660109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32134 + ... + 34869.

It is an arithmetic number, because the mean of its divisors is an integer number (5444075).

Almost surely, 2^91660104 is an apocalyptic number.

It is an amenable number.

91660104 is an abundant number, since it is smaller than the sum of its proper divisors (169655496).

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

91660104 is a wasteful number, since it uses less digits than its factorization.

91660104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67034 (or 67027 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 91660104 is about 9573.9283473400. The cubic root of 91660104 is about 450.8791110972.

The spelling of 91660104 in words is "ninety-one million, six hundred sixty thousand, one hundred four".