5161718 has 4 divisors (see below), whose sum is σ = 7742580. Its totient is φ = 2580858.

The previous prime is 5161703. The next prime is 5161789. The reversal of 5161718 is 8171615.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290428 + ... + 1290431.

It is an arithmetic number, because the mean of its divisors is an integer number (1935645).

Almost surely, 2^5161718 is an apocalyptic number.

5161718 is a deficient number, since it is larger than the sum of its proper divisors (2580862).

5161718 is a wasteful number, since it uses less digits than its factorization.

5161718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580861.

The product of its digits is 1680, while the sum is 29.

The square root of 5161718 is about 2271.9414605135. The cubic root of 5161718 is about 172.8216277728.

The spelling of 5161718 in words is "five million, one hundred sixty-one thousand, seven hundred eighteen".