91352580163 has 8 divisors (see below), whose sum is σ = 98418607056. Its totient is φ = 84292111200.

The previous prime is 91352580103. The next prime is 91352580181. The reversal of 91352580163 is 36108525319.

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 91352580163 - 2⁹ = 91352579651 is a prime.

It is a super-2 number, since 2×91352580163² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91352580103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355308 + ... + 1421113.

It is an arithmetic number, because the mean of its divisors is an integer number (12302325882).

Almost surely, 2^91352580163 is an apocalyptic number.

91352580163 is a deficient number, since it is larger than the sum of its proper divisors (7066026893).

91352580163 is a wasteful number, since it uses less digits than its factorization.

91352580163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778965.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 91352580163 in words is "ninety-one billion, three hundred fifty-two million, five hundred eighty thousand, one hundred sixty-three".