6666162152200 has 48 divisors (see below), whose sum is σ = 15499176688980. Its totient is φ = 2666404700160.

The previous prime is 6666162152183. The next prime is 6666162152203. The reversal of 6666162152200 is 22512616666.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2594992366404 + 4071169785796 = 1610898^2 + 2017714^2 .

It is not an unprimeable number, because it can be changed into a prime (6666162152203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9107044 + ... + 9811756.

Almost surely, 2^{6666162152200} is an apocalyptic number.

It is an amenable number.

6666162152200 is an abundant number, since it is smaller than the sum of its proper divisors (8833014536780).

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

6666162152200 is a wasteful number, since it uses less digits than its factorization.

6666162152200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752026 (or 752017 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

Adding to 6666162152200 its reverse (22512616666), we get a palindrome (6688674768866).

The spelling of 6666162152200 in words is "six trillion, six hundred sixty-six billion, one hundred sixty-two million, one hundred fifty-two thousand, two hundred".