91066102 has 16 divisors (see below), whose sum is σ = 141150240. Its totient is φ = 44031168.

The previous prime is 91066099. The next prime is 91066109. The reversal of 91066102 is 20166019.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8674 + ... + 16042.

It is an arithmetic number, because the mean of its divisors is an integer number (8821890).

Almost surely, 2^91066102 is an apocalyptic number.

91066102 is a deficient number, since it is larger than the sum of its proper divisors (50084138).

91066102 is a wasteful number, since it uses less digits than its factorization.

91066102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 91066102 is about 9542.8560714285. The cubic root of 91066102 is about 449.9030276642.

The spelling of 91066102 in words is "ninety-one million, sixty-six thousand, one hundred two".