27161316079 has 4 divisors (see below), whose sum is σ = 27533388976. Its totient is φ = 26789243184.

The previous prime is 27161316067. The next prime is 27161316089. The reversal of 27161316079 is 97061316172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27161316079 - 2⁵ = 27161316047 is a prime.

It is a super-2 number, since 2×27161316079² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27161316089) 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, 186036339 + ... + 186036484.

It is an arithmetic number, because the mean of its divisors is an integer number (6883347244).

Almost surely, 2^27161316079 is an apocalyptic number.

27161316079 is a deficient number, since it is larger than the sum of its proper divisors (372072897).

27161316079 is an equidigital number, since it uses as much as digits as its factorization.

27161316079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372072896.

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 27161316079 in words is "twenty-seven billion, one hundred sixty-one million, three hundred sixteen thousand, seventy-nine".