2068666802 has 8 divisors (see below), whose sum is σ = 3210000300. Its totient is φ = 998666704.

The previous prime is 2068666801. The next prime is 2068666823. The reversal of 2068666802 is 2086668602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2064702721 + 3964081 = 45439^2 + 1991^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2068666801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17833277 + ... + 17833392.

Almost surely, 2^2068666802 is an apocalyptic number.

2068666802 is a deficient number, since it is larger than the sum of its proper divisors (1141333498).

2068666802 is a wasteful number, since it uses less digits than its factorization.

2068666802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35666700.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2068666802 is about 45482.5988923236. The cubic root of 2068666802 is about 1274.1782328905.

The spelling of 2068666802 in words is "two billion, sixty-eight million, six hundred sixty-six thousand, eight hundred two".