5161668 has 12 divisors (see below), whose sum is σ = 12043920. Its totient is φ = 1720552.

The previous prime is 5161643. The next prime is 5161669. The reversal of 5161668 is 8661615.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (5161669) 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, 215058 + ... + 215081.

It is an arithmetic number, because the mean of its divisors is an integer number (1003660).

Almost surely, 2^5161668 is an apocalyptic number.

It is an amenable number.

5161668 is an abundant number, since it is smaller than the sum of its proper divisors (6882252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5161668 is a wasteful number, since it uses less digits than its factorization.

5161668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430146 (or 430144 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 5161668 is about 2271.9304566822. The cubic root of 5161668 is about 172.8210697474.

The spelling of 5161668 in words is "five million, one hundred sixty-one thousand, six hundred sixty-eight".