27161518232226 has 64 divisors (see below), whose sum is σ = 62529192345600. Its totient is φ = 7704843318336.

The previous prime is 27161518232203. The next prime is 27161518232231. The reversal of 27161518232226 is 62223281516172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2624695 + ... + 7823813.

It is an arithmetic number, because the mean of its divisors is an integer number (977018630400).

Almost surely, 2^{27161518232226} is an apocalyptic number.

27161518232226 is an abundant number, since it is smaller than the sum of its proper divisors (35367674113374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27161518232226 is a wasteful number, since it uses less digits than its factorization.

27161518232226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200023.

The product of its digits is 967680, while the sum is 48.

Adding to 27161518232226 its reverse (62223281516172), we get a palindrome (89384799748398).

The spelling of 27161518232226 in words is "twenty-seven trillion, one hundred sixty-one billion, five hundred eighteen million, two hundred thirty-two thousand, two hundred twenty-six".