181230466734 has 48 divisors (see below), whose sum is σ = 400142471040. Its totient is φ = 59264142480.

The previous prime is 181230466733. The next prime is 181230466741. The reversal of 181230466734 is 437664032181.

181230466734 is a `hidden beast` number, since 181 + 2 + 3 + 0 + 466 + 7 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 181230466734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181230466733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341989 + ... + 692399.

It is an arithmetic number, because the mean of its divisors is an integer number (8336301480).

Almost surely, 2^181230466734 is an apocalyptic number.

181230466734 is an abundant number, since it is smaller than the sum of its proper divisors (218912004306).

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

181230466734 is a wasteful number, since it uses less digits than its factorization.

181230466734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350965 (or 350962 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 181230466734 in words is "one hundred eighty-one billion, two hundred thirty million, four hundred sixty-six thousand, seven hundred thirty-four".