181253483164 has 24 divisors (see below), whose sum is σ = 341685318240. Its totient is φ = 83632870464.

The previous prime is 181253483123. The next prime is 181253483167. The reversal of 181253483164 is 461384352181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181253483167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275239 + ... + 662014.

It is an arithmetic number, because the mean of its divisors is an integer number (14236888260).

Almost surely, 2^181253483164 is an apocalyptic number.

It is an amenable number.

181253483164 is a deficient number, since it is larger than the sum of its proper divisors (160431835076).

181253483164 is a wasteful number, since it uses less digits than its factorization.

181253483164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940989 (or 940987 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 181253483164 in words is "one hundred eighty-one billion, two hundred fifty-three million, four hundred eighty-three thousand, one hundred sixty-four".