182198538209 has 12 divisors (see below), whose sum is σ = 183463232400. Its totient is φ = 180942467544.

The previous prime is 182198538121. The next prime is 182198538259. The reversal of 182198538209 is 902835891281.

It is not a de Polignac number, because 182198538209 - 2³⁶ = 113479061473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182198538259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68520122 + ... + 68522780.

It is an arithmetic number, because the mean of its divisors is an integer number (15288602700).

Almost surely, 2^182198538209 is an apocalyptic number.

It is an amenable number.

182198538209 is a deficient number, since it is larger than the sum of its proper divisors (1264694191).

182198538209 is an equidigital number, since it uses as much as digits as its factorization.

182198538209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564 (or 5401 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 182198538209 in words is "one hundred eighty-two billion, one hundred ninety-eight million, five hundred thirty-eight thousand, two hundred nine".