6980829966 has 40 divisors (see below), whose sum is σ = 17064255384. Its totient is φ = 2115402480.

The previous prime is 6980829949. The next prime is 6980829971. The reversal of 6980829966 is 6699280896.

It is a super-2 number, since 2×6980829966² = 97463974028407122312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1956925 + ... + 1960488.

Almost surely, 2^6980829966 is an apocalyptic number.

6980829966 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6980829966 is an abundant number, since it is smaller than the sum of its proper divisors (10083425418).

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

6980829966 is a wasteful number, since it uses less digits than its factorization.

6980829966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917438 (or 3917429 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The square root of 6980829966 is about 83551.3612456434. The cubic root of 6980829966 is about 1911.1833502847.

The spelling of 6980829966 in words is "six billion, nine hundred eighty million, eight hundred twenty-nine thousand, nine hundred sixty-six".