7669161 has 20 divisors (see below), whose sum is σ = 11622292. Its totient is φ = 5038848.

The previous prime is 7669087. The next prime is 7669163. The reversal of 7669161 is 1619667.

It can be written as a sum of positive squares in 2 ways, for example, as 6579225 + 1089936 = 2565^2 + 1044^2 .

It is not a de Polignac number, because 7669161 - 2⁷ = 7669033 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7669163) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 5265 + ... + 6561.

Almost surely, 2^7669161 is an apocalyptic number.

It is an amenable number.

7669161 is a deficient number, since it is larger than the sum of its proper divisors (3953131).

7669161 is a wasteful number, since it uses less digits than its factorization.

7669161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382 (or 1373 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 7669161 is about 2769.3250080119. The cubic root of 7669161 is about 197.2041053281.

The spelling of 7669161 in words is "seven million, six hundred sixty-nine thousand, one hundred sixty-one".