1803196656 has 60 divisors (see below), whose sum is σ = 5117551920. Its totient is φ = 592596480.

The previous prime is 1803196621. The next prime is 1803196657. The reversal of 1803196656 is 6566913081.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803196657) by changing a digit.

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, 77961 + ... + 98408.

It is an arithmetic number, because the mean of its divisors is an integer number (85292532).

Almost surely, 2^1803196656 is an apocalyptic number.

1803196656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1803196656 is an abundant number, since it is smaller than the sum of its proper divisors (3314355264).

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

1803196656 is a wasteful number, since it uses less digits than its factorization.

1803196656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176454 (or 176445 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 1803196656 is about 42464.0631122364. The cubic root of 1803196656 is about 1217.1600735325.

The spelling of 1803196656 in words is "one billion, eight hundred three million, one hundred ninety-six thousand, six hundred fifty-six".