1608611396 has 36 divisors (see below), whose sum is σ = 3276959868. Its totient is φ = 688923648.

The previous prime is 1608611369. The next prime is 1608611399. The reversal of 1608611396 is 6931168061.

It can be written as a sum of positive squares in 2 ways, for example, as 383611396 + 1225000000 = 19586^2 + 35000^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608611399) 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 11 ways as a sum of consecutive naturals, for example, 553820 + ... + 556716.

It is an arithmetic number, because the mean of its divisors is an integer number (91026663).

Almost surely, 2^1608611396 is an apocalyptic number.

It is an amenable number.

1608611396 is an abundant number, since it is smaller than the sum of its proper divisors (1668348472).

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

1608611396 is a wasteful number, since it uses less digits than its factorization.

1608611396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748 (or 5739 counting only the distinct ones).

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

The square root of 1608611396 is about 40107.4980022439. The cubic root of 1608611396 is about 1171.7016649119.

The spelling of 1608611396 in words is "one billion, six hundred eight million, six hundred eleven thousand, three hundred ninety-six".