6982156880 has 20 divisors (see below), whose sum is σ = 16233514932. Its totient is φ = 2792862720.

The previous prime is 6982156861. The next prime is 6982156919. The reversal of 6982156880 is 886512896.

It can be written as a sum of positive squares in 2 ways, for example, as 3627893824 + 3354263056 = 60232^2 + 57916^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43638401 + ... + 43638560.

Almost surely, 2^6982156880 is an apocalyptic number.

It is an amenable number.

6982156880 is an abundant number, since it is smaller than the sum of its proper divisors (9251358052).

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

6982156880 is a wasteful number, since it uses less digits than its factorization.

6982156880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87276974 (or 87276968 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 6982156880 is about 83559.3015767844. The cubic root of 6982156880 is about 1911.3044349931.

The spelling of 6982156880 in words is "six billion, nine hundred eighty-two million, one hundred fifty-six thousand, eight hundred eighty".