6636422264 has 8 divisors (see below), whose sum is σ = 12443291760. Its totient is φ = 3318211128.

The previous prime is 6636422257. The next prime is 6636422269. The reversal of 6636422264 is 4622246366.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6636422264² = 88084200932229771392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6636422269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414776384 + ... + 414776399.

It is an arithmetic number, because the mean of its divisors is an integer number (1555411470).

Almost surely, 2^6636422264 is an apocalyptic number.

It is an amenable number.

6636422264 is a deficient number, since it is larger than the sum of its proper divisors (5806869496).

6636422264 is a wasteful number, since it uses less digits than its factorization.

6636422264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829552789 (or 829552785 counting only the distinct ones).

The product of its digits is 497664, while the sum is 41.

The square root of 6636422264 is about 81464.2391727806. The cubic root of 6636422264 is about 1879.2216356828.

The spelling of 6636422264 in words is "six billion, six hundred thirty-six million, four hundred twenty-two thousand, two hundred sixty-four".