6201353661 has 16 divisors (see below), whose sum is σ = 8689437504. Its totient is φ = 3928950144.

The previous prime is 6201353647. The next prime is 6201353671. The reversal of 6201353661 is 1663531026.

6201353661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6201353661 - 2⁵ = 6201353629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6201353611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 644856 + ... + 654401.

It is an arithmetic number, because the mean of its divisors is an integer number (543089844).

Almost surely, 2^6201353661 is an apocalyptic number.

It is an amenable number.

6201353661 is a deficient number, since it is larger than the sum of its proper divisors (2488083843).

6201353661 is a wasteful number, since it uses less digits than its factorization.

6201353661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299340.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 6201353661 is about 78748.6740269320. The cubic root of 6201353661 is about 1837.2242390933.

Adding to 6201353661 its reverse (1663531026), we get a palindrome (7864884687).

The spelling of 6201353661 in words is "six billion, two hundred one million, three hundred fifty-three thousand, six hundred sixty-one".