1628162987344 has 10 divisors (see below), whose sum is σ = 3154565788010. Its totient is φ = 814081493664.

The previous prime is 1628162987327. The next prime is 1628162987351. The reversal of 1628162987344 is 4437892618261.

It can be written as a sum of positive squares in only one way, i.e., 994687075600 + 633475911744 = 997340^2 + 795912^2 .

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 as a sum of consecutive naturals, namely, 50880093339 + ... + 50880093370.

It is an arithmetic number, because the mean of its divisors is an integer number (315456578801).

Almost surely, 2^{1628162987344} is an apocalyptic number.

It is an amenable number.

1628162987344 is a deficient number, since it is larger than the sum of its proper divisors (1526402800666).

1628162987344 is a wasteful number, since it uses less digits than its factorization.

1628162987344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101760186717 (or 101760186711 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The spelling of 1628162987344 in words is "one trillion, six hundred twenty-eight billion, one hundred sixty-two million, nine hundred eighty-seven thousand, three hundred forty-four".