5181794274168 has 96 divisors (see below), whose sum is σ = 14072034522000. Its totient is φ = 1722592894464.

The previous prime is 5181794274121. The next prime is 5181794274179. The reversal of 5181794274168 is 8614724971815.

5181794274168 is a `hidden beast` number, since 5 + 1 + 8 + 179 + 42 + 7 + 416 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41292783 + ... + 41418081.

Almost surely, 2^{5181794274168} is an apocalyptic number.

It is an amenable number.

5181794274168 is an abundant number, since it is smaller than the sum of its proper divisors (8890240247832).

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

5181794274168 is a wasteful number, since it uses less digits than its factorization.

5181794274168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126861 (or 126854 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 63.

The spelling of 5181794274168 in words is "five trillion, one hundred eighty-one billion, seven hundred ninety-four million, two hundred seventy-four thousand, one hundred sixty-eight".