6981169 has 16 divisors (see below), whose sum is σ = 8225280. Its totient is φ = 5863680.

The previous prime is 6981157. The next prime is 6981181. The reversal of 6981169 is 9611896.

It is an interprime number because it is at equal distance from previous prime (6981157) and next prime (6981181).

It is a cyclic number.

It is not a de Polignac number, because 6981169 - 2¹⁷ = 6850097 is a prime.

It is a super-2 number, since 2×6981169² = 97473441213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6984169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6342 + ... + 7360.

It is an arithmetic number, because the mean of its divisors is an integer number (514080).

Almost surely, 2^6981169 is an apocalyptic number.

It is an amenable number.

6981169 is a deficient number, since it is larger than the sum of its proper divisors (1244111).

6981169 is a wasteful number, since it uses less digits than its factorization.

6981169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 23328, while the sum is 40.

The square root of 6981169 is about 2642.1901899750. The cubic root of 6981169 is about 191.1214289569.

The spelling of 6981169 in words is "six million, nine hundred eighty-one thousand, one hundred sixty-nine".