5181626196 has 36 divisors (see below), whose sum is σ = 13345136532. Its totient is φ = 1694619264.

The previous prime is 5181626171. The next prime is 5181626201. The reversal of 5181626196 is 6916261815.

5181626196 is a `hidden beast` number, since 5 + 1 + 8 + 1 + 626 + 19 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3330905796 + 1850720400 = 57714^2 + 43020^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1355961 + ... + 1359776.

It is an arithmetic number, because the mean of its divisors is an integer number (370698237).

Almost surely, 2^5181626196 is an apocalyptic number.

It is an amenable number.

5181626196 is an abundant number, since it is smaller than the sum of its proper divisors (8163510336).

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

5181626196 is a wasteful number, since it uses less digits than its factorization.

5181626196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715800 (or 2715795 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 5181626196 is about 71983.5133624360. The cubic root of 5181626196 is about 1730.4352759969.

The spelling of 5181626196 in words is "five billion, one hundred eighty-one million, six hundred twenty-six thousand, one hundred ninety-six".