1606810608 has 200 divisors, whose sum is σ = 5040923888. Its totient is φ = 491194368.

The previous prime is 1606810591. The next prime is 1606810633. The reversal of 1606810608 is 8060186061.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4767816 + ... + 4768152.

Almost surely, 2^1606810608 is an apocalyptic number.

1606810608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606810608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520461944).

1606810608 is an abundant number, since it is smaller than the sum of its proper divisors (3434113280).

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

1606810608 is a wasteful number, since it uses less digits than its factorization.

1606810608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1606810608 is about 40085.0421978074. The cubic root of 1606810608 is about 1171.2642743885.

Adding to 1606810608 its reverse (8060186061), we get a palindrome (9666996669).

The spelling of 1606810608 in words is "one billion, six hundred six million, eight hundred ten thousand, six hundred eight".