6138652266 has 36 divisors (see below), whose sum is σ = 13632792966. Its totient is φ = 1996299840.

The previous prime is 6138652193. The next prime is 6138652283. The reversal of 6138652266 is 6622568316.

6138652266 is a `hidden beast` number, since 6 + 1 + 386 + 5 + 2 + 266 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1000773225 + 5137879041 = 31635^2 + 71679^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71181 + ... + 131696.

Almost surely, 2^6138652266 is an apocalyptic number.

6138652266 is an abundant number, since it is smaller than the sum of its proper divisors (7494140700).

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

6138652266 is a wasteful number, since it uses less digits than its factorization.

6138652266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202967 (or 202923 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 6138652266 is about 78349.5517919535. The cubic root of 6138652266 is about 1831.0112425800.

The spelling of 6138652266 in words is "six billion, one hundred thirty-eight million, six hundred fifty-two thousand, two hundred sixty-six".