91180000996 has 24 divisors (see below), whose sum is σ = 182406612416. Its totient is φ = 39067155360.

The previous prime is 91180000993. The next prime is 91180001021. The reversal of 91180000996 is 69900008119.

It is not an unprimeable number, because it can be changed into a prime (91180000993) 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 7 ways as a sum of consecutive naturals, for example, 304131 + ... + 524266.

Almost surely, 2^91180000996 is an apocalyptic number.

It is an amenable number.

91180000996 is an abundant number, since it is smaller than the sum of its proper divisors (91226611420).

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

91180000996 is a wasteful number, since it uses less digits than its factorization.

91180000996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832339 (or 832337 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 43.

The spelling of 91180000996 in words is "ninety-one billion, one hundred eighty million, nine hundred ninety-six", and thus it is an aban number.