200561655 has 48 divisors (see below), whose sum is σ = 376320384. Its totient is φ = 90941760.

The previous prime is 200561653. The next prime is 200561671. The reversal of 200561655 is 556165002.

It is not a de Polignac number, because 200561655 - 2¹ = 200561653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200561653) 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 47 ways as a sum of consecutive naturals, for example, 95244 + ... + 97326.

It is an arithmetic number, because the mean of its divisors is an integer number (7840008).

Almost surely, 2^200561655 is an apocalyptic number.

200561655 is a deficient number, since it is larger than the sum of its proper divisors (175758729).

200561655 is a wasteful number, since it uses less digits than its factorization.

200561655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2229 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 200561655 is about 14161.9792048993. The cubic root of 200561655 is about 585.3504657238.

The spelling of 200561655 in words is "two hundred million, five hundred sixty-one thousand, six hundred fifty-five".