200661171611552 has 24 divisors (see below), whose sum is σ = 395667986926212. Its totient is φ = 100174063820800.

The previous prime is 200661171611539. The next prime is 200661171611557. The reversal of 200661171611552 is 255116171166002.

It can be written as a sum of positive squares in 2 ways, for example, as 199920256947856 + 740914663696 = 14139316^2 + 860764^2 .

It is not an unprimeable number, because it can be changed into a prime (200661171611557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4891291199 + ... + 4891332222.

Almost surely, 2^{200661171611552} is an apocalyptic number.

It is an amenable number.

200661171611552 is a deficient number, since it is larger than the sum of its proper divisors (195006815314660).

200661171611552 is an equidigital number, since it uses as much as digits as its factorization.

200661171611552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9782624072 (or 9782624064 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 44.

The spelling of 200661171611552 in words is "two hundred trillion, six hundred sixty-one billion, one hundred seventy-one million, six hundred eleven thousand, five hundred fifty-two".