200166721363 has 4 divisors (see below), whose sum is σ = 228761967280. Its totient is φ = 171571475448.

The previous prime is 200166721361. The next prime is 200166721439. The reversal of 200166721363 is 363127661002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200166721363 - 2¹ = 200166721361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200166721361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14297622948 + ... + 14297622961.

It is an arithmetic number, because the mean of its divisors is an integer number (57190491820).

Almost surely, 2^200166721363 is an apocalyptic number.

200166721363 is a deficient number, since it is larger than the sum of its proper divisors (28595245917).

200166721363 is an equidigital number, since it uses as much as digits as its factorization.

200166721363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28595245916.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 200166721363 in words is "two hundred billion, one hundred sixty-six million, seven hundred twenty-one thousand, three hundred sixty-three".