1803361228764 has 24 divisors (see below), whose sum is σ = 4208312586240. Its totient is φ = 601053306864.

The previous prime is 1803361228763. The next prime is 1803361228769. The reversal of 1803361228764 is 4678221633081.

It is a happy number.

It is a super-3 number, since 3×1803361228764³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803361228763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8275804 + ... + 8490915.

It is an arithmetic number, because the mean of its divisors is an integer number (175346357760).

Almost surely, 2^{1803361228764} is an apocalyptic number.

It is an amenable number.

1803361228764 is an abundant number, since it is smaller than the sum of its proper divisors (2404951357476).

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

1803361228764 is a wasteful number, since it uses less digits than its factorization.

1803361228764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16775689 (or 16775687 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 1803361228764 in words is "one trillion, eight hundred three billion, three hundred sixty-one million, two hundred twenty-eight thousand, seven hundred sixty-four".