91066104 has 24 divisors (see below), whose sum is σ = 246637560. Its totient is φ = 30355344.

The previous prime is 91066099. The next prime is 91066109. The reversal of 91066104 is 40166019.

It is an interprime number because it is at equal distance from previous prime (91066099) and next prime (91066109).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91066109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 632332 + ... + 632475.

It is an arithmetic number, because the mean of its divisors is an integer number (10276565).

Almost surely, 2^91066104 is an apocalyptic number.

It is an amenable number.

91066104 is an abundant number, since it is smaller than the sum of its proper divisors (155571456).

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

91066104 is a wasteful number, since it uses less digits than its factorization.

91066104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264819 (or 1264812 counting only the distinct ones).

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

The square root of 91066104 is about 9542.8561762189. The cubic root of 91066104 is about 449.9030309578.

The spelling of 91066104 in words is "ninety-one million, sixty-six thousand, one hundred four".