57168066469 has 4 divisors (see below), whose sum is σ = 57891712960. Its totient is φ = 56444419980.

The previous prime is 57168066443. The next prime is 57168066493. The reversal of 57168066469 is 96466086175.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57168066469 - 2¹⁹ = 57167542181 is a prime.

It is a super-2 number, since 2×57168066469² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57168066499) 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, 361823127 + ... + 361823284.

It is an arithmetic number, because the mean of its divisors is an integer number (14472928240).

Almost surely, 2^57168066469 is an apocalyptic number.

It is an amenable number.

57168066469 is a deficient number, since it is larger than the sum of its proper divisors (723646491).

57168066469 is an equidigital number, since it uses as much as digits as its factorization.

57168066469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723646490.

The product of its (nonzero) digits is 13063680, while the sum is 58.

It can be divided in two parts, 5716806 and 6469, that added together give a palindrome (5723275).

The spelling of 57168066469 in words is "fifty-seven billion, one hundred sixty-eight million, sixty-six thousand, four hundred sixty-nine".