27168053961 has 4 divisors (see below), whose sum is σ = 36224071952. Its totient is φ = 18112035972.

The previous prime is 27168053959. The next prime is 27168053977. The reversal of 27168053961 is 16935086172.

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 not a de Polignac number, because 27168053961 - 2¹ = 27168053959 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27168053961.

It is not an unprimeable number, because it can be changed into a prime (27168053921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4528008991 + ... + 4528008996.

It is an arithmetic number, because the mean of its divisors is an integer number (9056017988).

Almost surely, 2^27168053961 is an apocalyptic number.

It is an amenable number.

27168053961 is a deficient number, since it is larger than the sum of its proper divisors (9056017991).

27168053961 is an equidigital number, since it uses as much as digits as its factorization.

27168053961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056017990.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 27168053961 in words is "twenty-seven billion, one hundred sixty-eight million, fifty-three thousand, nine hundred sixty-one".