1604244203136 has 64 divisors (see below), whose sum is σ = 4734748526400. Its totient is φ = 534748066560.

The previous prime is 1604244203087. The next prime is 1604244203143. The reversal of 1604244203136 is 6313024424061.

1604244203136 is a `hidden beast` number, since 1 + 60 + 42 + 4 + 420 + 3 + 136 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1604244203136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232092060 + ... + 232098971.

It is an arithmetic number, because the mean of its divisors is an integer number (73980445725).

Almost surely, 2^{1604244203136} is an apocalyptic number.

1604244203136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1604244203136 is an abundant number, since it is smaller than the sum of its proper divisors (3130504323264).

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

1604244203136 is an equidigital number, since it uses as much as digits as its factorization.

1604244203136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464191054 (or 464191036 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 1604244203136 its reverse (6313024424061), we get a palindrome (7917268627197).

It can be divided in two parts, 160424420 and 3136, that added together give a square (160427556 = 12666²).

The spelling of 1604244203136 in words is "one trillion, six hundred four billion, two hundred forty-four million, two hundred three thousand, one hundred thirty-six".