181483173930 has 16 divisors (see below), whose sum is σ = 435559617504. Its totient is φ = 48395513040.

The previous prime is 181483173857. The next prime is 181483173953. The reversal of 181483173930 is 39371384181.

It is a super-2 number, since 2×181483173930² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 181483173930.

It is an unprimeable number.

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, 3024719536 + ... + 3024719595.

It is an arithmetic number, because the mean of its divisors is an integer number (27222476094).

Almost surely, 2^181483173930 is an apocalyptic number.

181483173930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

181483173930 is an abundant number, since it is smaller than the sum of its proper divisors (254076443574).

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

181483173930 is a wasteful number, since it uses less digits than its factorization.

181483173930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049439141.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 181483173930 in words is "one hundred eighty-one billion, four hundred eighty-three million, one hundred seventy-three thousand, nine hundred thirty".