6995161 has 2 divisors, whose sum is σ = 6995162. Its totient is φ = 6995160.

The previous prime is 6995147. The next prime is 6995171. The reversal of 6995161 is 1615996.

6995161 = T₂₁₅₈ + T₂₁₅₉ + T₂₁₆₀.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 3308761 = 1920^2 + 1819^2 .

It is a cyclic number.

It is not a de Polignac number, because 6995161 - 2⁹ = 6994649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6995161.

It is not a weakly prime, because it can be changed into another prime (6995101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3497580 + 3497581.

It is an arithmetic number, because the mean of its divisors is an integer number (3497581).

Almost surely, 2^6995161 is an apocalyptic number.

6995161 is the 2160-th centered triangular number.

It is an amenable number.

6995161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6995161 is an equidigital number, since it uses as much as digits as its factorization.

6995161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 37.

The square root of 6995161 is about 2644.8366679249. The cubic root of 6995161 is about 191.2490287162.

The spelling of 6995161 in words is "six million, nine hundred ninety-five thousand, one hundred sixty-one".