6164640227 has 2 divisors, whose sum is σ = 6164640228. Its totient is φ = 6164640226.

The previous prime is 6164640221. The next prime is 6164640281. The reversal of 6164640227 is 7220464616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6164640227 - 2¹⁰ = 6164639203 is a prime.

It is a super-2 number, since 2×6164640227² = 76005578256693223058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6164640221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082320113 + 3082320114.

It is an arithmetic number, because the mean of its divisors is an integer number (3082320114).

Almost surely, 2^6164640227 is an apocalyptic number.

6164640227 is a deficient number, since it is larger than the sum of its proper divisors (1).

6164640227 is an equidigital number, since it uses as much as digits as its factorization.

6164640227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 6164640227 is about 78515.2228997664. Note that the first 3 decimals coincide. The cubic root of 6164640227 is about 1833.5914645867.

The spelling of 6164640227 in words is "six billion, one hundred sixty-four million, six hundred forty thousand, two hundred twenty-seven".