8136227356161 has 16 divisors (see below), whose sum is σ = 11330339524800. Its totient is φ = 5188102826688.

The previous prime is 8136227356093. The next prime is 8136227356177. The reversal of 8136227356161 is 1616537226318.

It is not a de Polignac number, because 8136227356161 - 2²⁶ = 8136160247297 is a prime.

It is a super-2 number, since 2×8136227356161² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8136227354161) 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 15 ways as a sum of consecutive naturals, for example, 621174346 + ... + 621187443.

It is an arithmetic number, because the mean of its divisors is an integer number (708146220300).

Almost surely, 2^{8136227356161} is an apocalyptic number.

It is an amenable number.

8136227356161 is a deficient number, since it is larger than the sum of its proper divisors (3194112168639).

8136227356161 is a wasteful number, since it uses less digits than its factorization.

8136227356161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242361888.

The product of its digits is 2177280, while the sum is 51.

The spelling of 8136227356161 in words is "eight trillion, one hundred thirty-six billion, two hundred twenty-seven million, three hundred fifty-six thousand, one hundred sixty-one".