91162913101 has 8 divisors (see below), whose sum is σ = 98177891000. Its totient is φ = 84148284672.

The previous prime is 91162913099. The next prime is 91162913147. The reversal of 91162913101 is 10131926119.

It can be written as a sum of positive squares in 4 ways, for example, as 18464733225 + 72698179876 = 135885^2 + 269626^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 91162913101 - 2¹ = 91162913099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91162913161) 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, 756025 + ... + 868273.

It is an arithmetic number, because the mean of its divisors is an integer number (12272236375).

Almost surely, 2^91162913101 is an apocalyptic number.

It is an amenable number.

91162913101 is a deficient number, since it is larger than the sum of its proper divisors (7014977899).

91162913101 is a wasteful number, since it uses less digits than its factorization.

91162913101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174735.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 91162913101 in words is "ninety-one billion, one hundred sixty-two million, nine hundred thirteen thousand, one hundred one".