27251202403161 has 24 divisors (see below), whose sum is σ = 42943316426400. Its totient is φ = 16515100324800.

The previous prime is 27251202403121. The next prime is 27251202403213. The reversal of 27251202403161 is 16130420215272.

27251202403161 is a `hidden beast` number, since 2 + 7 + 251 + 2 + 0 + 240 + 3 + 161 = 666.

It is not a de Polignac number, because 27251202403161 - 2¹⁵ = 27251202370393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27251202403121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4388836 + ... + 8588613.

It is an arithmetic number, because the mean of its divisors is an integer number (1789304851100).

Almost surely, 2^{27251202403161} is an apocalyptic number.

It is an amenable number.

27251202403161 is a deficient number, since it is larger than the sum of its proper divisors (15692114023239).

27251202403161 is a wasteful number, since it uses less digits than its factorization.

27251202403161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12998677 (or 12998674 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 27251202403161 in words is "twenty-seven trillion, two hundred fifty-one billion, two hundred two million, four hundred three thousand, one hundred sixty-one".