5161641 has 8 divisors (see below), whose sum is σ = 6901440. Its totient is φ = 3431472.

The previous prime is 5161631. The next prime is 5161643. The reversal of 5161641 is 1461615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5161641 - 2⁵ = 5161609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5161643) 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 7 ways as a sum of consecutive naturals, for example, 1045 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (862680).

Almost surely, 2^5161641 is an apocalyptic number.

It is an amenable number.

5161641 is a deficient number, since it is larger than the sum of its proper divisors (1739799).

5161641 is a wasteful number, since it uses less digits than its factorization.

5161641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815.

The product of its digits is 720, while the sum is 24.

The square root of 5161641 is about 2271.9245145911. The cubic root of 5161641 is about 172.8207684121.

The spelling of 5161641 in words is "five million, one hundred sixty-one thousand, six hundred forty-one".