6662866292 has 6 divisors (see below), whose sum is σ = 11660016018. Its totient is φ = 3331433144.

The previous prime is 6662866291. The next prime is 6662866307. The reversal of 6662866292 is 2926682666.

It can be written as a sum of positive squares in only one way, i.e., 6208494436 + 454371856 = 78794^2 + 21316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662866291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832858283 + ... + 832858290.

It is an arithmetic number, because the mean of its divisors is an integer number (1943336003).

Almost surely, 2^6662866292 is an apocalyptic number.

It is an amenable number.

6662866292 is a deficient number, since it is larger than the sum of its proper divisors (4997149726).

6662866292 is a wasteful number, since it uses less digits than its factorization.

6662866292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665716577 (or 1665716575 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 53.

The square root of 6662866292 is about 81626.3823282644. The cubic root of 6662866292 is about 1881.7143608359.

The spelling of 6662866292 in words is "six billion, six hundred sixty-two million, eight hundred sixty-six thousand, two hundred ninety-two".