2662668212 has 12 divisors (see below), whose sum is σ = 4660300260. Its totient is φ = 1331153856.

The previous prime is 2662668193. The next prime is 2662668257. The reversal of 2662668212 is 2128662662.

It can be written as a sum of positive squares in 2 ways, for example, as 2494602916 + 168065296 = 49946^2 + 12964^2 .

It is a super-3 number, since 3×2662668212³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2662668212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8537 + ... + 73472.

It is an arithmetic number, because the mean of its divisors is an integer number (388358355).

Almost surely, 2^2662668212 is an apocalyptic number.

It is an amenable number.

2662668212 is a deficient number, since it is larger than the sum of its proper divisors (1997632048).

2662668212 is a wasteful number, since it uses less digits than its factorization.

2662668212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90130 (or 90128 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 2662668212 is about 51601.0485552377. The cubic root of 2662668212 is about 1386.0291085938.

The spelling of 2662668212 in words is "two billion, six hundred sixty-two million, six hundred sixty-eight thousand, two hundred twelve".