1606689559888 has 40 divisors (see below), whose sum is σ = 3680348014080. Its totient is φ = 664837057920.

The previous prime is 1606689559879. The next prime is 1606689559897. The reversal of 1606689559888 is 8889559866061.

It is an interprime number because it is at equal distance from previous prime (1606689559879) and next prime (1606689559897).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 247331968 + ... + 247338463.

It is an arithmetic number, because the mean of its divisors is an integer number (92008700352).

Almost surely, 2^{1606689559888} is an apocalyptic number.

It is an amenable number.

1606689559888 is an abundant number, since it is smaller than the sum of its proper divisors (2073658454192).

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

1606689559888 is a wasteful number, since it uses less digits than its factorization.

1606689559888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494670475 (or 494670469 counting only the distinct ones).

The product of its (nonzero) digits is 1791590400, while the sum is 79.

The spelling of 1606689559888 in words is "one trillion, six hundred six billion, six hundred eighty-nine million, five hundred fifty-nine thousand, eight hundred eighty-eight".