6506212266 has 96 divisors (see below), whose sum is σ = 14789174400. Its totient is φ = 2065295232.

The previous prime is 6506212259. The next prime is 6506212267. The reversal of 6506212266 is 6622126056.

6506212266 is a `hidden beast` number, since 6 + 5 + 0 + 621 + 2 + 26 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6506212266.

It is not an unprimeable number, because it can be changed into a prime (6506212267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8162980 + ... + 8163776.

It is an arithmetic number, because the mean of its divisors is an integer number (154053900).

Almost surely, 2^6506212266 is an apocalyptic number.

6506212266 is an abundant number, since it is smaller than the sum of its proper divisors (8282962134).

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

6506212266 is a wasteful number, since it uses less digits than its factorization.

6506212266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 6506212266 is about 80661.0951202623. The cubic root of 6506212266 is about 1866.8499365907.

The spelling of 6506212266 in words is "six billion, five hundred six million, two hundred twelve thousand, two hundred sixty-six".