5178164894 has 16 divisors (see below), whose sum is σ = 8933398368. Its totient is φ = 2205077472.

The previous prime is 5178164891. The next prime is 5178164899. The reversal of 5178164894 is 4984618715.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178164891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1175729 + ... + 1180124.

It is an arithmetic number, because the mean of its divisors is an integer number (558337398).

Almost surely, 2^5178164894 is an apocalyptic number.

5178164894 is a deficient number, since it is larger than the sum of its proper divisors (3755233474).

5178164894 is a wasteful number, since it uses less digits than its factorization.

5178164894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356019.

The product of its digits is 1935360, while the sum is 53.

The square root of 5178164894 is about 71959.4670213725. The cubic root of 5178164894 is about 1730.0498826206.

The spelling of 5178164894 in words is "five billion, one hundred seventy-eight million, one hundred sixty-four thousand, eight hundred ninety-four".