27072136165 has 16 divisors (see below), whose sum is σ = 33550986240. Its totient is φ = 20948780160.

The previous prime is 27072136127. The next prime is 27072136181. The reversal of 27072136165 is 56163127072.

It is not a de Polignac number, because 27072136165 - 2¹⁵ = 27072103397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281641 + ... + 365329.

It is an arithmetic number, because the mean of its divisors is an integer number (2096936640).

Almost surely, 2^27072136165 is an apocalyptic number.

It is an amenable number.

27072136165 is a deficient number, since it is larger than the sum of its proper divisors (6478850075).

27072136165 is a wasteful number, since it uses less digits than its factorization.

27072136165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85812.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 27072136165 in words is "twenty-seven billion, seventy-two million, one hundred thirty-six thousand, one hundred sixty-five".