6979806039168 has 160 divisors (see below), whose sum is σ = 21333190567260. Its totient is φ = 2263720753152.

The previous prime is 6979806039133. The next prime is 6979806039179. The reversal of 6979806039168 is 8619306089796.

6979806039168 is a `hidden beast` number, since 6 + 9 + 7 + 9 + 8 + 0 + 603 + 9 + 1 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6674120898624 + 305685140544 = 2583432^2 + 552888^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 6979806039096 and 6979806039105.

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 19 ways as a sum of consecutive naturals, for example, 8713771 + ... + 9481002.

Almost surely, 2^{6979806039168} is an apocalyptic number.

It is an amenable number.

6979806039168 is an abundant number, since it is smaller than the sum of its proper divisors (14353384528092).

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

6979806039168 is a wasteful number, since it uses less digits than its factorization.

6979806039168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18194836 (or 18194815 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 72.

The spelling of 6979806039168 in words is "six trillion, nine hundred seventy-nine billion, eight hundred six million, thirty-nine thousand, one hundred sixty-eight".