6662246261 has 4 divisors (see below), whose sum is σ = 7267905024. Its totient is φ = 6056587500.

The previous prime is 6662246219. The next prime is 6662246267. The reversal of 6662246261 is 1626422666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6662246261 - 2³⁰ = 5588504437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662246267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302829365 + ... + 302829386.

It is an arithmetic number, because the mean of its divisors is an integer number (1816976256).

Almost surely, 2^6662246261 is an apocalyptic number.

It is an amenable number.

6662246261 is a deficient number, since it is larger than the sum of its proper divisors (605658763).

6662246261 is a wasteful number, since it uses less digits than its factorization.

6662246261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605658762.

The product of its digits is 248832, while the sum is 41.

The square root of 6662246261 is about 81622.5842582799. The cubic root of 6662246261 is about 1881.6559896896.

The spelling of 6662246261 in words is "six billion, six hundred sixty-two million, two hundred forty-six thousand, two hundred sixty-one".