5166517597823 has 4 divisors (see below), whose sum is σ = 5212238992608. Its totient is φ = 5120796203040.

The previous prime is 5166517597799. The next prime is 5166517597847. The reversal of 5166517597823 is 3287957156615.

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

It is an interprime number because it is at equal distance from previous prime (5166517597799) and next prime (5166517597847).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5166517597823 is a prime.

It is a super-2 number, since 2×5166517597823² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5166517597823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166517593823) 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, 22860697223 + ... + 22860697448.

It is an arithmetic number, because the mean of its divisors is an integer number (1303059748152).

Almost surely, 2^{5166517597823} is an apocalyptic number.

5166517597823 is a deficient number, since it is larger than the sum of its proper divisors (45721394785).

5166517597823 is a wasteful number, since it uses less digits than its factorization.

5166517597823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45721394784.

The product of its digits is 95256000, while the sum is 65.

The spelling of 5166517597823 in words is "five trillion, one hundred sixty-six billion, five hundred seventeen million, five hundred ninety-seven thousand, eight hundred twenty-three".