1327803922181 has 16 divisors (see below), whose sum is σ = 1451394350208. Its totient is φ = 1204694899200.

The previous prime is 1327803922169. The next prime is 1327803922189. The reversal of 1327803922181 is 1812293087231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1327803922181 - 2⁶ = 1327803922117 is a prime.

It is a super-2 number, since 2×1327803922181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1327803922189) 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, 22873265 + ... + 22931241.

It is an arithmetic number, because the mean of its divisors is an integer number (90712146888).

Almost surely, 2^{1327803922181} is an apocalyptic number.

1327803922181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1327803922181 is a deficient number, since it is larger than the sum of its proper divisors (123590428027).

1327803922181 is a wasteful number, since it uses less digits than its factorization.

1327803922181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62092.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 1327803922181 in words is "one trillion, three hundred twenty-seven billion, eight hundred three million, nine hundred twenty-two thousand, one hundred eighty-one".