7826161 has 4 divisors (see below), whose sum is σ = 8944192. Its totient is φ = 6708132.

The previous prime is 7826123. The next prime is 7826183. The reversal of 7826161 is 1616287.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1616287 = 467 ⋅3461.

It is a cyclic number.

It is not a de Polignac number, because 7826161 - 2¹⁵ = 7793393 is a prime.

It is a super-2 number, since 2×7826161² = 122497591995842, which contains 22 as substring.

It is a Duffinian number.

7826161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7826101) 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, 559005 + ... + 559018.

It is an arithmetic number, because the mean of its divisors is an integer number (2236048).

Almost surely, 2^7826161 is an apocalyptic number.

It is an amenable number.

7826161 is a deficient number, since it is larger than the sum of its proper divisors (1118031).

7826161 is a wasteful number, since it uses less digits than its factorization.

7826161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118030.

The product of its digits is 4032, while the sum is 31.

The square root of 7826161 is about 2797.5276584870. The cubic root of 7826161 is about 198.5407200733.

The spelling of 7826161 in words is "seven million, eight hundred twenty-six thousand, one hundred sixty-one".