1204789168461 has 16 divisors (see below), whose sum is σ = 1625173001280. Its totient is φ = 793807259520.

The previous prime is 1204789168447. The next prime is 1204789168493. The reversal of 1204789168461 is 1648619874021.

It is not a de Polignac number, because 1204789168461 - 2⁶ = 1204789168397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204789168421) 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 15 ways as a sum of consecutive naturals, for example, 435930 + ... + 1612331.

It is an arithmetic number, because the mean of its divisors is an integer number (101573312580).

Almost surely, 2^{1204789168461} is an apocalyptic number.

It is an amenable number.

1204789168461 is a deficient number, since it is larger than the sum of its proper divisors (420383832819).

1204789168461 is a wasteful number, since it uses less digits than its factorization.

1204789168461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050556.

The product of its (nonzero) digits is 4644864, while the sum is 57.

The spelling of 1204789168461 in words is "one trillion, two hundred four billion, seven hundred eighty-nine million, one hundred sixty-eight thousand, four hundred sixty-one".