6662293212 has 12 divisors (see below), whose sum is σ = 15545350856. Its totient is φ = 2220764400.

The previous prime is 6662293201. The next prime is 6662293259. The reversal of 6662293212 is 2123922666.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6662293212² = 88772301685322553888, which contains 22 as substring.

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, 277595539 + ... + 277595562.

Almost surely, 2^6662293212 is an apocalyptic number.

It is an amenable number.

6662293212 is an abundant number, since it is smaller than the sum of its proper divisors (8883057644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6662293212 is a wasteful number, since it uses less digits than its factorization.

6662293212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555191108 (or 555191106 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 6662293212 is about 81622.8718681228. The cubic root of 6662293212 is about 1881.6604098916.

The spelling of 6662293212 in words is "six billion, six hundred sixty-two million, two hundred ninety-three thousand, two hundred twelve".