91118076336 has 160 divisors (see below), whose sum is σ = 301260718080. Its totient is φ = 25828637184.

The previous prime is 91118076317. The next prime is 91118076337. The reversal of 91118076336 is 63367081119.

91118076336 is a `hidden beast` number, since 9 + 1 + 1 + 1 + 8 + 0 + 7 + 633 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 91118076291 and 91118076300.

It is not an unprimeable number, because it can be changed into a prime (91118076337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265420 + ... + 502676.

It is an arithmetic number, because the mean of its divisors is an integer number (1882879488).

Almost surely, 2^91118076336 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 91118076336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150630359040).

91118076336 is an abundant number, since it is smaller than the sum of its proper divisors (210142641744).

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

91118076336 is a wasteful number, since it uses less digits than its factorization.

91118076336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237408 (or 237396 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 91118076336 in words is "ninety-one billion, one hundred eighteen million, seventy-six thousand, three hundred thirty-six".