8161941 has 24 divisors (see below), whose sum is σ = 11767840. Its totient is φ = 5027616.

The previous prime is 8161939. The next prime is 8161943. The reversal of 8161941 is 1491618.

It is an interprime number because it is at equal distance from previous prime (8161939) and next prime (8161943).

It is not a de Polignac number, because 8161941 - 2¹ = 8161939 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 8161899 and 8161908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58650 + ... + 58788.

Almost surely, 2^8161941 is an apocalyptic number.

It is an amenable number.

8161941 is a deficient number, since it is larger than the sum of its proper divisors (3605899).

8161941 is a wasteful number, since it uses less digits than its factorization.

8161941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 202 counting only the distinct ones).

The product of its digits is 1728, while the sum is 30.

The square root of 8161941 is about 2856.9110941715. The cubic root of 8161941 is about 201.3405035115.

The spelling of 8161941 in words is "eight million, one hundred sixty-one thousand, nine hundred forty-one".