91864141116 has 192 divisors, whose sum is σ = 255892331520. Its totient is φ = 25355151360.

The previous prime is 91864141081. The next prime is 91864141151. The reversal of 91864141116 is 61114146819.

It is an interprime number because it is at equal distance from previous prime (91864141081) and next prime (91864141151).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 6420066 + ... + 6434358.

It is an arithmetic number, because the mean of its divisors is an integer number (1332772560).

Almost surely, 2^91864141116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91864141116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127946165760).

91864141116 is an abundant number, since it is smaller than the sum of its proper divisors (164028190404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91864141116 is a wasteful number, since it uses less digits than its factorization.

91864141116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14436 (or 14434 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The spelling of 91864141116 in words is "ninety-one billion, eight hundred sixty-four million, one hundred forty-one thousand, one hundred sixteen".