1838200161 has 24 divisors (see below), whose sum is σ = 2870001984. Its totient is φ = 1043431200.

The previous prime is 1838200151. The next prime is 1838200183. The reversal of 1838200161 is 1610028381.

It is not a de Polignac number, because 1838200161 - 2⁶ = 1838200097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1838200121) 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, 19210 + ... + 63603.

It is an arithmetic number, because the mean of its divisors is an integer number (119583416).

Almost surely, 2^1838200161 is an apocalyptic number.

It is an amenable number.

1838200161 is a deficient number, since it is larger than the sum of its proper divisors (1031801823).

1838200161 is a wasteful number, since it uses less digits than its factorization.

1838200161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82981 (or 82974 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1838200161 is about 42874.2365646317. The cubic root of 1838200161 is about 1224.9854583308.

The spelling of 1838200161 in words is "one billion, eight hundred thirty-eight million, two hundred thousand, one hundred sixty-one".