6566152166018 has 8 divisors (see below), whose sum is σ = 9849330644220. Its totient is φ = 3283041951280.

The previous prime is 6566152165973. The next prime is 6566152166027. The reversal of 6566152166018 is 8106612516656.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5948052732769 + 618099433249 = 2438863^2 + 786193^2 .

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

It is a super-2 number, since 2×6566152166018² (a number of 26 digits) contains 22 as substring.

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, 16824713 + ... + 17210556.

Almost surely, 2^{6566152166018} is an apocalyptic number.

6566152166018 is a deficient number, since it is larger than the sum of its proper divisors (3283178478202).

6566152166018 is a wasteful number, since it uses less digits than its factorization.

6566152166018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34131732.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 6566152166018 in words is "six trillion, five hundred sixty-six billion, one hundred fifty-two million, one hundred sixty-six thousand, eighteen".