181094223930 has 32 divisors (see below), whose sum is σ = 453522927744. Its totient is φ = 46192149696.

The previous prime is 181094223901. The next prime is 181094223941. The reversal of 181094223930 is 39322490181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131227009 + ... + 131228388.

It is an arithmetic number, because the mean of its divisors is an integer number (14172591492).

Almost surely, 2^181094223930 is an apocalyptic number.

181094223930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

181094223930 is an abundant number, since it is smaller than the sum of its proper divisors (272428703814).

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

181094223930 is a wasteful number, since it uses less digits than its factorization.

181094223930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262455430.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 181094223930 in words is "one hundred eighty-one billion, ninety-four million, two hundred twenty-three thousand, nine hundred thirty".