1687593342368 has 24 divisors (see below), whose sum is σ = 3332930325732. Its totient is φ = 841134846976.

The previous prime is 1687593342367. The next prime is 1687593342401. The reversal of 1687593342368 is 8632433957861.

It can be written as a sum of positive squares in 2 ways, for example, as 1427709537424 + 259883804944 = 1194868^2 + 509788^2 .

It is not an unprimeable number, because it can be changed into a prime (1687593342361) 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, 83171705 + ... + 83191992.

Almost surely, 2^{1687593342368} is an apocalyptic number.

It is an amenable number.

1687593342368 is a deficient number, since it is larger than the sum of its proper divisors (1645336983364).

1687593342368 is a wasteful number, since it uses less digits than its factorization.

1687593342368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166364024 (or 166364016 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 65.

The spelling of 1687593342368 in words is "one trillion, six hundred eighty-seven billion, five hundred ninety-three million, three hundred forty-two thousand, three hundred sixty-eight".