1831066878404 has 12 divisors (see below), whose sum is σ = 3264826793004. Its totient is φ = 898259223264.

The previous prime is 1831066878401. The next prime is 1831066878419. The reversal of 1831066878404 is 4048786601381.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1631929600900 + 199137277504 = 1277470^2 + 446248^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1831066878404.

It is not an unprimeable number, because it can be changed into a prime (1831066878401) 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 3 ways as a sum of consecutive naturals, for example, 4318553747 + ... + 4318554170.

It is an arithmetic number, because the mean of its divisors is an integer number (272068899417).

Almost surely, 2^{1831066878404} is an apocalyptic number.

It is an amenable number.

1831066878404 is a deficient number, since it is larger than the sum of its proper divisors (1433759914600).

1831066878404 is a wasteful number, since it uses less digits than its factorization.

1831066878404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8637107974 (or 8637107972 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 1831066878404 in words is "one trillion, eight hundred thirty-one billion, sixty-six million, eight hundred seventy-eight thousand, four hundred four".