1801000116 has 24 divisors (see below), whose sum is σ = 4669259840. Its totient is φ = 600333336.

The previous prime is 1801000057. The next prime is 1801000121. The reversal of 1801000116 is 6110001081.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8337856 + ... + 8338071.

Almost surely, 2^1801000116 is an apocalyptic number.

It is an amenable number.

1801000116 is an abundant number, since it is smaller than the sum of its proper divisors (2868259724).

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

1801000116 is a wasteful number, since it uses less digits than its factorization.

1801000116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16675940 (or 16675932 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1801000116 is about 42438.1917145394. The cubic root of 1801000116 is about 1216.6656502733.

Adding to 1801000116 its reverse (6110001081), we get a palindrome (7911001197).

The spelling of 1801000116 in words is "one billion, eight hundred one million, one hundred sixteen", and thus it is an aban number.