1806498768 has 80 divisors (see below), whose sum is σ = 4798550016. Its totient is φ = 585340800.

The previous prime is 1806498763. The next prime is 1806498787. The reversal of 1806498768 is 8678946081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806498763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338005 + ... + 343307.

Almost surely, 2^1806498768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1806498768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2399275008).

1806498768 is an abundant number, since it is smaller than the sum of its proper divisors (2992051248).

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

1806498768 is a wasteful number, since it uses less digits than its factorization.

1806498768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5506 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 57.

The square root of 1806498768 is about 42502.9265815896. The cubic root of 1806498768 is about 1217.9025970896.

The spelling of 1806498768 in words is "one billion, eight hundred six million, four hundred ninety-eight thousand, seven hundred sixty-eight".