18303920191004 has 48 divisors (see below), whose sum is σ = 36795222293760. Its totient is φ = 7804433049600.

The previous prime is 18303920191003. The next prime is 18303920191013. The reversal of 18303920191004 is 40019102930381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18303920191003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7933679 + ... + 9977529.

It is an arithmetic number, because the mean of its divisors is an integer number (766567131120).

Almost surely, 2^{18303920191004} is an apocalyptic number.

18303920191004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18303920191004 is an abundant number, since it is smaller than the sum of its proper divisors (18491302102756).

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

18303920191004 is a wasteful number, since it uses less digits than its factorization.

18303920191004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045498 (or 2045496 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 18303920191004 in words is "eighteen trillion, three hundred three billion, nine hundred twenty million, one hundred ninety-one thousand, four".