181273897260234 has 96 divisors (see below), whose sum is σ = 401025127771008. Its totient is φ = 59166495360000.

The previous prime is 181273897260227. The next prime is 181273897260259. The reversal of 181273897260234 is 432062798372181.

It is a happy number.

181273897260234 is a `hidden beast` number, since 1 + 8 + 1 + 27 + 38 + 97 + 260 + 234 = 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, 110363619 + ... + 111994089.

It is an arithmetic number, because the mean of its divisors is an integer number (4177345080948).

Almost surely, 2^{181273897260234} is an apocalyptic number.

181273897260234 is an abundant number, since it is smaller than the sum of its proper divisors (219751230510774).

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

181273897260234 is a wasteful number, since it uses less digits than its factorization.

181273897260234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631164 (or 1631161 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 181273897260234 in words is "one hundred eighty-one trillion, two hundred seventy-three billion, eight hundred ninety-seven million, two hundred sixty thousand, two hundred thirty-four".