27137330165 has 64 divisors (see below), whose sum is σ = 38218625280. Its totient is φ = 18289152000.

The previous prime is 27137330147. The next prime is 27137330167. The reversal of 27137330165 is 56103373172.

It is a happy number.

It is not a de Polignac number, because 27137330165 - 2¹⁶ = 27137264629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27137330167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12556685 + ... + 12558845.

It is an arithmetic number, because the mean of its divisors is an integer number (597166020).

Almost surely, 2^27137330165 is an apocalyptic number.

It is an amenable number.

27137330165 is a deficient number, since it is larger than the sum of its proper divisors (11081295115).

27137330165 is a wasteful number, since it uses less digits than its factorization.

27137330165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454.

The product of its (nonzero) digits is 79380, while the sum is 38.

The spelling of 27137330165 in words is "twenty-seven billion, one hundred thirty-seven million, three hundred thirty thousand, one hundred sixty-five".