5726661858623 has 8 divisors (see below), whose sum is σ = 6290154902400. Its totient is φ = 5189377793688.

The previous prime is 5726661858587. The next prime is 5726661858649. The reversal of 5726661858623 is 3268581666275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5726661858623 - 2¹⁸ = 5726661596479 is a prime.

It is a super-2 number, since 2×5726661858623² (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 5726661858623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5726661858023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6552244253 + ... + 6552245126.

It is an arithmetic number, because the mean of its divisors is an integer number (786269362800).

Almost surely, 2^{5726661858623} is an apocalyptic number.

5726661858623 is a deficient number, since it is larger than the sum of its proper divisors (563493043777).

5726661858623 is a wasteful number, since it uses less digits than its factorization.

5726661858623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13104489421.

The product of its digits is 174182400, while the sum is 65.

The spelling of 5726661858623 in words is "five trillion, seven hundred twenty-six billion, six hundred sixty-one million, eight hundred fifty-eight thousand, six hundred twenty-three".