1836897916 has 12 divisors (see below), whose sum is σ = 3673795888. Its totient is φ = 787241952.

The previous prime is 1836897913. The next prime is 1836897943. The reversal of 1836897916 is 6197986381.

1836897916 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1836897913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32801721 + ... + 32801776.

Almost surely, 2^1836897916 is an apocalyptic number.

It is an amenable number.

1836897916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1836897916 is a wasteful number, since it uses less digits than its factorization.

1836897916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65603508 (or 65603506 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 58.

The square root of 1836897916 is about 42859.0470729343. The cubic root of 1836897916 is about 1224.6961158757.

The spelling of 1836897916 in words is "one billion, eight hundred thirty-six million, eight hundred ninety-seven thousand, nine hundred sixteen".