200211556166 has 8 divisors (see below), whose sum is σ = 300319986720. Its totient is φ = 100104893928.

The previous prime is 200211556159. The next prime is 200211556211. The reversal of 200211556166 is 661655112002.

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

It is a super-2 number, since 2×200211556166² (a number of 23 digits) 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, 108761 + ... + 642068.

It is an arithmetic number, because the mean of its divisors is an integer number (37539998340).

Almost surely, 2^200211556166 is an apocalyptic number.

200211556166 is a deficient number, since it is larger than the sum of its proper divisors (100108430554).

200211556166 is a wasteful number, since it uses less digits than its factorization.

200211556166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884158.

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 200211556166 its reverse (661655112002), we get a palindrome (861866668168).

The spelling of 200211556166 in words is "two hundred billion, two hundred eleven million, five hundred fifty-six thousand, one hundred sixty-six".