96181088998491 has 48 divisors (see below), whose sum is σ = 158945292901824. Its totient is φ = 54901731197952.

The previous prime is 96181088998481. The next prime is 96181088998507. The reversal of 96181088998491 is 19489988018169.

It is a happy number.

96181088998491 is a `hidden beast` number, since 9 + 6 + 18 + 108 + 8 + 9 + 9 + 8 + 491 = 666.

It is not a de Polignac number, because 96181088998491 - 2²⁵ = 96181055444059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 96181088998491.

It is not an unprimeable number, because it can be changed into a prime (96181088998411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 673951855 + ... + 674094551.

It is an arithmetic number, because the mean of its divisors is an integer number (3311360268788).

Almost surely, 2^{96181088998491} is an apocalyptic number.

96181088998491 is a deficient number, since it is larger than the sum of its proper divisors (62764203903333).

96181088998491 is a wasteful number, since it uses less digits than its factorization.

96181088998491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154100 (or 154097 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 81.

The spelling of 96181088998491 in words is "ninety-six trillion, one hundred eighty-one billion, eighty-eight million, nine hundred ninety-eight thousand, four hundred ninety-one".