6987744375168 has 64 divisors (see below), whose sum is σ = 19201237268400. Its totient is φ = 2248929220608.

The previous prime is 6987744375109. The next prime is 6987744375179. The reversal of 6987744375168 is 8615734477896.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 6987744375168.

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, 313734571 + ... + 313756842.

Almost surely, 2^{6987744375168} is an apocalyptic number.

It is an amenable number.

6987744375168 is an abundant number, since it is smaller than the sum of its proper divisors (12213492893232).

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

6987744375168 is a wasteful number, since it uses less digits than its factorization.

6987744375168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627491459 (or 627491447 counting only the distinct ones).

The product of its digits is 1706987520, while the sum is 75.

The spelling of 6987744375168 in words is "six trillion, nine hundred eighty-seven billion, seven hundred forty-four million, three hundred seventy-five thousand, one hundred sixty-eight".