6660422264 has 16 divisors (see below), whose sum is σ = 12754000800. Its totient is φ = 3259355392.

The previous prime is 6660422239. The next prime is 6660422269. The reversal of 6660422264 is 4622240666.

It is a happy number.

It is a super-2 number, since 2×6660422264² = 88722449469573771392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6660422269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8856569 + ... + 8857320.

It is an arithmetic number, because the mean of its divisors is an integer number (797125050).

Almost surely, 2^6660422264 is an apocalyptic number.

It is an amenable number.

6660422264 is a deficient number, since it is larger than the sum of its proper divisors (6093578536).

6660422264 is a wasteful number, since it uses less digits than its factorization.

6660422264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713942 (or 17713938 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 6660422264 is about 81611.4101336327. The cubic root of 6660422264 is about 1881.4842534107.

The spelling of 6660422264 in words is "six billion, six hundred sixty million, four hundred twenty-two thousand, two hundred sixty-four".