91101073 has 8 divisors (see below), whose sum is σ = 104181248. Its totient is φ = 78037344.

The previous prime is 91101061. The next prime is 91101083. The reversal of 91101073 is 37010119.

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

It is not a de Polignac number, because 91101073 - 2⁵ = 91101041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91101013) 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, 11965 + ... + 18037.

It is an arithmetic number, because the mean of its divisors is an integer number (13022656).

Almost surely, 2^91101073 is an apocalyptic number.

It is an amenable number.

91101073 is a deficient number, since it is larger than the sum of its proper divisors (13080175).

91101073 is a wasteful number, since it uses less digits than its factorization.

91101073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 91101073 is about 9544.6882086321. The cubic root of 91101073 is about 449.9606105440.

The spelling of 91101073 in words is "ninety-one million, one hundred one thousand, seventy-three".