6980165 has 4 divisors (see below), whose sum is σ = 8376204. Its totient is φ = 5584128.

The previous prime is 6980159. The next prime is 6980167. The reversal of 6980165 is 5610896.

It is a Cunningham number, because it is equal to 2642²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2515396 + 4464769 = 1586^2 + 2113^2 .

It is a cyclic number.

It is not a de Polignac number, because 6980165 - 2⁶ = 6980101 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698012 + ... + 698021.

It is an arithmetic number, because the mean of its divisors is an integer number (2094051).

Almost surely, 2^6980165 is an apocalyptic number.

It is an amenable number.

6980165 is a deficient number, since it is larger than the sum of its proper divisors (1396039).

6980165 is a wasteful number, since it uses less digits than its factorization.

6980165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396038.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 6980165 is about 2642.0001892506. Note that the first 3 decimals coincide. The cubic root of 6980165 is about 191.1122664459.

The spelling of 6980165 in words is "six million, nine hundred eighty thousand, one hundred sixty-five".