5166404543 has 4 divisors (see below), whose sum is σ = 5263883928. Its totient is φ = 5068925160.

The previous prime is 5166404539. The next prime is 5166404557. The reversal of 5166404543 is 3454046615.

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

It is a cyclic number.

It is not a de Polignac number, because 5166404543 - 2² = 5166404539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5166404497 and 5166404506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166400543) 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, 48739613 + ... + 48739718.

It is an arithmetic number, because the mean of its divisors is an integer number (1315970982).

Almost surely, 2^5166404543 is an apocalyptic number.

5166404543 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5166404543 is a deficient number, since it is larger than the sum of its proper divisors (97479385).

5166404543 is an equidigital number, since it uses as much as digits as its factorization.

5166404543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97479384.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 5166404543 is about 71877.7054656032. The cubic root of 5166404543 is about 1728.7391598303.

The spelling of 5166404543 in words is "five billion, one hundred sixty-six million, four hundred four thousand, five hundred forty-three".