1831866912 has 72 divisors (see below), whose sum is σ = 5483565360. Its totient is φ = 578482560.

The previous prime is 1831866821. The next prime is 1831866917. The reversal of 1831866912 is 2196681381.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1831866917) 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, 161914 + ... + 172857.

It is an arithmetic number, because the mean of its divisors is an integer number (76160630).

Almost surely, 2^1831866912 is an apocalyptic number.

1831866912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1831866912 is an abundant number, since it is smaller than the sum of its proper divisors (3651698448).

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

1831866912 is a wasteful number, since it uses less digits than its factorization.

1831866912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334806 (or 334795 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1831866912 is about 42800.3143913687. The cubic root of 1831866912 is about 1223.5770036497.

The spelling of 1831866912 in words is "one billion, eight hundred thirty-one million, eight hundred sixty-six thousand, nine hundred twelve".