91480163 has 16 divisors (see below), whose sum is σ = 97044480. Its totient is φ = 86116800.

The previous prime is 91480141. The next prime is 91480187. The reversal of 91480163 is 36108419.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 91480163 - 2⁶ = 91480099 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (91480133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195656 + ... + 196122.

It is an arithmetic number, because the mean of its divisors is an integer number (6065280).

Almost surely, 2^91480163 is an apocalyptic number.

91480163 is a deficient number, since it is larger than the sum of its proper divisors (5564317).

91480163 is a wasteful number, since it uses less digits than its factorization.

91480163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 91480163 is about 9564.5262820487. The cubic root of 91480163 is about 450.5838725536.

The spelling of 91480163 in words is "ninety-one million, four hundred eighty thousand, one hundred sixty-three".