1606644609288 has 16 divisors (see below), whose sum is σ = 4016611523280. Its totient is φ = 535548203088.

The previous prime is 1606644609287. The next prime is 1606644609319. The reversal of 1606644609288 is 8829064466061.

It is not an unprimeable number, because it can be changed into a prime (1606644609287) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33471762670 + ... + 33471762717.

It is an arithmetic number, because the mean of its divisors is an integer number (251038220205).

Almost surely, 2^{1606644609288} is an apocalyptic number.

It is an amenable number.

1606644609288 is an abundant number, since it is smaller than the sum of its proper divisors (2409966913992).

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

1606644609288 is a wasteful number, since it uses less digits than its factorization.

1606644609288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66943525396 (or 66943525392 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 1606644609288 in words is "one trillion, six hundred six billion, six hundred forty-four million, six hundred nine thousand, two hundred eighty-eight".