6669220370 has 8 divisors (see below), whose sum is σ = 12004596684. Its totient is φ = 2667688144.

The previous prime is 6669220361. The next prime is 6669220379. The reversal of 6669220370 is 730229666.

It is an interprime number because it is at equal distance from previous prime (6669220361) and next prime (6669220379).

It can be written as a sum of positive squares in 2 ways, for example, as 6608551849 + 60668521 = 81293^2 + 7789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6669220379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333461009 + ... + 333461028.

Almost surely, 2^6669220370 is an apocalyptic number.

6669220370 is a deficient number, since it is larger than the sum of its proper divisors (5335376314).

6669220370 is a wasteful number, since it uses less digits than its factorization.

6669220370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666922044.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 6669220370 is about 81665.2947707899. The cubic root of 6669220370 is about 1882.3123397686.

The spelling of 6669220370 in words is "six billion, six hundred sixty-nine million, two hundred twenty thousand, three hundred seventy".