180734164 has 24 divisors (see below), whose sum is σ = 341041568. Its totient is φ = 83311200.

The previous prime is 180734153. The next prime is 180734167. The reversal of 180734164 is 461437081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180734167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52999 + ... + 56305.

Almost surely, 2^180734164 is an apocalyptic number.

It is an amenable number.

180734164 is a deficient number, since it is larger than the sum of its proper divisors (160307404).

180734164 is a wasteful number, since it uses less digits than its factorization.

180734164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4373 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 180734164 is about 13443.7406996714. The cubic root of 180734164 is about 565.3882146730.

The spelling of 180734164 in words is "one hundred eighty million, seven hundred thirty-four thousand, one hundred sixty-four".