5266891817 has 8 divisors (see below), whose sum is σ = 5748407040. Its totient is φ = 4785827760.

The previous prime is 5266891793. The next prime is 5266891823. The reversal of 5266891817 is 7181986625.

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 5266891817 - 2¹² = 5266887721 is a prime.

It is a super-2 number, since 2×5266891817² = 55480298823963122978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5266891837) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 88142 + ... + 135287.

It is an arithmetic number, because the mean of its divisors is an integer number (718550880).

Almost surely, 2^5266891817 is an apocalyptic number.

It is an amenable number.

5266891817 is a deficient number, since it is larger than the sum of its proper divisors (481515223).

5266891817 is a wasteful number, since it uses less digits than its factorization.

5266891817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225583.

The product of its digits is 1451520, while the sum is 53.

The square root of 5266891817 is about 72573.3547316093. The cubic root of 5266891817 is about 1739.8753397501.

The spelling of 5266891817 in words is "five billion, two hundred sixty-six million, eight hundred ninety-one thousand, eight hundred seventeen".