27161135617 has 8 divisors (see below), whose sum is σ = 33863234112. Its totient is φ = 21164521200.

The previous prime is 27161135539. The next prime is 27161135627. The reversal of 27161135617 is 71653116172.

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 27161135617 - 2⁷ = 27161135489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27161135617.

It is not an unprimeable number, because it can be changed into a prime (27161135627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176370934 + ... + 176371087.

It is an arithmetic number, because the mean of its divisors is an integer number (4232904264).

Almost surely, 2^27161135617 is an apocalyptic number.

It is an amenable number.

27161135617 is a deficient number, since it is larger than the sum of its proper divisors (6702098495).

27161135617 is a wasteful number, since it uses less digits than its factorization.

27161135617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352742039.

The product of its digits is 52920, while the sum is 40.

The spelling of 27161135617 in words is "twenty-seven billion, one hundred sixty-one million, one hundred thirty-five thousand, six hundred seventeen".