1606610616 has 32 divisors (see below), whose sum is σ = 4325490960. Its totient is φ = 494341632.

The previous prime is 1606610567. The next prime is 1606610627. The reversal of 1606610616 is 6160166061.

It is a super-3 number, since 3×1606610616³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

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, 2574385 + ... + 2575008.

Almost surely, 2^1606610616 is an apocalyptic number.

It is an amenable number.

1606610616 is an abundant number, since it is smaller than the sum of its proper divisors (2718880344).

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

1606610616 is a wasteful number, since it uses less digits than its factorization.

1606610616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149415 (or 5149411 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1606610616 is about 40082.5475238289. The cubic root of 1606610616 is about 1171.2156784925.

Adding to 1606610616 its reverse (6160166061), we get a palindrome (7766776677).

The spelling of 1606610616 in words is "one billion, six hundred six million, six hundred ten thousand, six hundred sixteen".