1804971168 has 384 divisors, whose sum is σ = 7071805440. Its totient is φ = 432552960.

The previous prime is 1804971149. The next prime is 1804971169. The reversal of 1804971168 is 8611794081.

It is a happy number.

It is a super-2 number, since 2×1804971168² = 6515841834622568448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1804971169) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 863821 + ... + 865907.

It is an arithmetic number, because the mean of its divisors is an integer number (18416160).

Almost surely, 2^1804971168 is an apocalyptic number.

1804971168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1804971168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3535902720).

1804971168 is an abundant number, since it is smaller than the sum of its proper divisors (5266834272).

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

1804971168 is a wasteful number, since it uses less digits than its factorization.

1804971168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 1804971168 is about 42484.9522537098. The cubic root of 1804971168 is about 1217.5592085970.

The spelling of 1804971168 in words is "one billion, eight hundred four million, nine hundred seventy-one thousand, one hundred sixty-eight".