91416211289 has 16 divisors (see below), whose sum is σ = 99160225920. Its totient is φ = 83775457920.

The previous prime is 91416211283. The next prime is 91416211297. The reversal of 91416211289 is 98211261419.

It is a cyclic number.

It is not a de Polignac number, because 91416211289 - 2¹² = 91416207193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91416211283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1403924 + ... + 1467594.

It is an arithmetic number, because the mean of its divisors is an integer number (6197514120).

Almost surely, 2^91416211289 is an apocalyptic number.

It is an amenable number.

91416211289 is a deficient number, since it is larger than the sum of its proper divisors (7744014631).

91416211289 is a wasteful number, since it uses less digits than its factorization.

91416211289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64480.

The product of its digits is 62208, while the sum is 44.

The spelling of 91416211289 in words is "ninety-one billion, four hundred sixteen million, two hundred eleven thousand, two hundred eighty-nine".