1826668512 has 72 divisors (see below), whose sum is σ = 5468004360. Its totient is φ = 576840960.

The previous prime is 1826668499. The next prime is 1826668523. The reversal of 1826668512 is 2158666281.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161439 + ... + 172382.

It is an arithmetic number, because the mean of its divisors is an integer number (75944505).

Almost surely, 2^1826668512 is an apocalyptic number.

1826668512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1826668512 is an abundant number, since it is smaller than the sum of its proper divisors (3641335848).

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

1826668512 is a wasteful number, since it uses less digits than its factorization.

1826668512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333856 (or 333845 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1826668512 is about 42739.5427209978. The cubic root of 1826668512 is about 1222.4185008461.

The spelling of 1826668512 in words is "one billion, eight hundred twenty-six million, six hundred sixty-eight thousand, five hundred twelve".