200655665166 has 32 divisors (see below), whose sum is σ = 443791369728. Its totient is φ = 59971803840.

The previous prime is 200655665141. The next prime is 200655665167. The reversal of 200655665166 is 661566556002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200655665167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20818726 + ... + 20828361.

It is an arithmetic number, because the mean of its divisors is an integer number (13868480304).

Almost surely, 2^200655665166 is an apocalyptic number.

200655665166 is an abundant number, since it is smaller than the sum of its proper divisors (243135704562).

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

200655665166 is a wasteful number, since it uses less digits than its factorization.

200655665166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647176.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 200655665166 in words is "two hundred billion, six hundred fifty-five million, six hundred sixty-five thousand, one hundred sixty-six".