181340982098 has 32 divisors (see below), whose sum is σ = 302696714880. Its totient is φ = 81039340800.

The previous prime is 181340982091. The next prime is 181340982101. The reversal of 181340982098 is 890289043181.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (181340982091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725453 + ... + 942848.

It is an arithmetic number, because the mean of its divisors is an integer number (9459272340).

Almost surely, 2^181340982098 is an apocalyptic number.

181340982098 is a deficient number, since it is larger than the sum of its proper divisors (121355732782).

181340982098 is a wasteful number, since it uses less digits than its factorization.

181340982098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668482.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 181340982098 in words is "one hundred eighty-one billion, three hundred forty million, nine hundred eighty-two thousand, ninety-eight".