227270661165 has 16 divisors (see below), whose sum is σ = 404036731200. Its totient is φ = 121211019216.

The previous prime is 227270661161. The next prime is 227270661187. The reversal of 227270661165 is 561166072722.

227270661165 is a `hidden beast` number, since 2 + 2 + 7 + 27 + 0 + 6 + 611 + 6 + 5 = 666.

It is not a de Polignac number, because 227270661165 - 2² = 227270661161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 227270661165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227270661161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841743055 + ... + 841743324.

It is an arithmetic number, because the mean of its divisors is an integer number (25252295700).

Almost surely, 2^227270661165 is an apocalyptic number.

It is an amenable number.

227270661165 is a deficient number, since it is larger than the sum of its proper divisors (176766070035).

227270661165 is a wasteful number, since it uses less digits than its factorization.

227270661165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683486393 (or 1683486387 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 227270661165 in words is "two hundred twenty-seven billion, two hundred seventy million, six hundred sixty-one thousand, one hundred sixty-five".