27168538957 has 16 divisors (see below), whose sum is σ = 32688755200. Its totient is φ = 22058431920.

The previous prime is 27168538951. The next prime is 27168538993. The reversal of 27168538957 is 75983586172.

It is not a de Polignac number, because 27168538957 - 2⁷ = 27168538829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27168538895 and 27168538904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27168538951) 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 15 ways as a sum of consecutive naturals, for example, 1381282 + ... + 1400812.

It is an arithmetic number, because the mean of its divisors is an integer number (2043047200).

Almost surely, 2^27168538957 is an apocalyptic number.

It is an amenable number.

27168538957 is a deficient number, since it is larger than the sum of its proper divisors (5520216243).

27168538957 is a wasteful number, since it uses less digits than its factorization.

27168538957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30016.

The product of its digits is 25401600, while the sum is 61.

The spelling of 27168538957 in words is "twenty-seven billion, one hundred sixty-eight million, five hundred thirty-eight thousand, nine hundred fifty-seven".