27011223730161 has 96 divisors (see below), whose sum is σ = 45042888084480. Its totient is φ = 15425947152000.

The previous prime is 27011223730151. The next prime is 27011223730177. The reversal of 27011223730161 is 16103732211072.

27011223730161 is a `hidden beast` number, since 2 + 7 + 0 + 1 + 122 + 373 + 0 + 161 = 666.

It is not a de Polignac number, because 27011223730161 - 2¹⁴ = 27011223713777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27011223730151) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1834620346 + ... + 1834635068.

It is an arithmetic number, because the mean of its divisors is an integer number (469196750880).

Almost surely, 2^{27011223730161} is an apocalyptic number.

It is an amenable number.

27011223730161 is a deficient number, since it is larger than the sum of its proper divisors (18031664354319).

27011223730161 is a wasteful number, since it uses less digits than its factorization.

27011223730161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19907 (or 19904 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 27011223730161 in words is "twenty-seven trillion, eleven billion, two hundred twenty-three million, seven hundred thirty thousand, one hundred sixty-one".