548166248813 has 4 divisors (see below), whose sum is σ = 549432222108. Its totient is φ = 546900275520.

The previous prime is 548166248737. The next prime is 548166248843. The reversal of 548166248813 is 318842661845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318842661845 = 5 ⋅63768532369.

It can be written as a sum of positive squares in 2 ways, for example, as 31461181129 + 516705067684 = 177373^2 + 718822^2 .

It is a cyclic number.

It is not a de Polignac number, because 548166248813 - 2³⁴ = 530986379629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (548166248843) 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, 632985998 + ... + 632986863.

It is an arithmetic number, because the mean of its divisors is an integer number (137358055527).

Almost surely, 2^548166248813 is an apocalyptic number.

It is an amenable number.

548166248813 is a deficient number, since it is larger than the sum of its proper divisors (1265973295).

548166248813 is a wasteful number, since it uses less digits than its factorization.

548166248813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265973294.

The product of its digits is 8847360, while the sum is 56.

The spelling of 548166248813 in words is "five hundred forty-eight billion, one hundred sixty-six million, two hundred forty-eight thousand, eight hundred thirteen".