180898838806 has 16 divisors (see below), whose sum is σ = 313848589824. Its totient is φ = 76594000104.

The previous prime is 180898838753. The next prime is 180898838807. The reversal of 180898838806 is 608838898081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180898838807) 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, 77838270 + ... + 77840593.

It is an arithmetic number, because the mean of its divisors is an integer number (19615536864).

Almost surely, 2^180898838806 is an apocalyptic number.

180898838806 is a deficient number, since it is larger than the sum of its proper divisors (132949751018).

180898838806 is a wasteful number, since it uses less digits than its factorization.

180898838806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155678955.

The product of its (nonzero) digits is 42467328, while the sum is 67.

The spelling of 180898838806 in words is "one hundred eighty billion, eight hundred ninety-eight million, eight hundred thirty-eight thousand, eight hundred six".