181059130098 has 96 divisors (see below), whose sum is σ = 491142113280. Its totient is φ = 46831488480.

The previous prime is 181059130073. The next prime is 181059130129. The reversal of 181059130098 is 890031950181.

181059130098 is a `hidden beast` number, since 18 + 10 + 591 + 30 + 0 + 9 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57961 + ... + 604547.

It is an arithmetic number, because the mean of its divisors is an integer number (5116063680).

Almost surely, 2^181059130098 is an apocalyptic number.

181059130098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 181059130098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245571056640).

181059130098 is an abundant number, since it is smaller than the sum of its proper divisors (310082983182).

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

181059130098 is a wasteful number, since it uses less digits than its factorization.

181059130098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546852 (or 546849 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 181059130098 in words is "one hundred eighty-one billion, fifty-nine million, one hundred thirty thousand, ninety-eight".