91469161 has 8 divisors (see below), whose sum is σ = 108141120. Its totient is φ = 75698448.

The previous prime is 91469159. The next prime is 91469177. The reversal of 91469161 is 16196419.

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

It is not a de Polignac number, because 91469161 - 2¹ = 91469159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91469161.

It is not an unprimeable number, because it can be changed into a prime (91469101) 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, 225091 + ... + 225496.

It is an arithmetic number, because the mean of its divisors is an integer number (13517640).

Almost surely, 2^91469161 is an apocalyptic number.

It is an amenable number.

91469161 is a deficient number, since it is larger than the sum of its proper divisors (16671959).

91469161 is a wasteful number, since it uses less digits than its factorization.

91469161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450623.

The product of its digits is 11664, while the sum is 37.

The square root of 91469161 is about 9563.9511186538. The cubic root of 91469161 is about 450.5658084460.

The spelling of 91469161 in words is "ninety-one million, four hundred sixty-nine thousand, one hundred sixty-one".