2668670212 has 36 divisors (see below), whose sum is σ = 5140032996. Its totient is φ = 1211483520.

The previous prime is 2668670209. The next prime is 2668670231. The reversal of 2668670212 is 2120768662.

It can be written as a sum of positive squares in 6 ways, for example, as 1421591616 + 1247078596 = 37704^2 + 35314^2 .

It is a super-2 number, since 2×2668670212² = 14243601400832249888, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8878 + ... + 73594.

Almost surely, 2^2668670212 is an apocalyptic number.

It is an amenable number.

2668670212 is a deficient number, since it is larger than the sum of its proper divisors (2471362784).

2668670212 is a wasteful number, since it uses less digits than its factorization.

2668670212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64808 (or 64793 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2668670212 is about 51659.1735512677. The cubic root of 2668670212 is about 1387.0697569462.

The spelling of 2668670212 in words is "two billion, six hundred sixty-eight million, six hundred seventy thousand, two hundred twelve".