180016539430 has 32 divisors (see below), whose sum is σ = 398805873984. Its totient is φ = 56972267136.

The previous prime is 180016539421. The next prime is 180016539457. The reversal of 180016539430 is 34935610081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98909277 + ... + 98911096.

It is an arithmetic number, because the mean of its divisors is an integer number (12462683562).

Almost surely, 2^180016539430 is an apocalyptic number.

180016539430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180016539430 is an abundant number, since it is smaller than the sum of its proper divisors (218789334554).

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

180016539430 is a wasteful number, since it uses less digits than its factorization.

180016539430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197820400.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 180016539430 in words is "one hundred eighty billion, sixteen million, five hundred thirty-nine thousand, four hundred thirty".