200656166620 has 96 divisors (see below), whose sum is σ = 518974783488. Its totient is φ = 63460806912.

The previous prime is 200656166593. The next prime is 200656166621. The reversal of 200656166620 is 26661656002.

200656166620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200656166621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2669269 + ... + 2743411.

It is an arithmetic number, because the mean of its divisors is an integer number (5405987328).

Almost surely, 2^200656166620 is an apocalyptic number.

200656166620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200656166620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259487391744).

200656166620 is an abundant number, since it is smaller than the sum of its proper divisors (318318616868).

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

200656166620 is a wasteful number, since it uses less digits than its factorization.

200656166620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75659 (or 75657 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 200656166620 in words is "two hundred billion, six hundred fifty-six million, one hundred sixty-six thousand, six hundred twenty".