5361661065 has 16 divisors (see below), whose sum is σ = 8761183488. Its totient is φ = 2798710656.

The previous prime is 5361661057. The next prime is 5361661069. The reversal of 5361661065 is 5601661635.

It is not a de Polignac number, because 5361661065 - 2³ = 5361661057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5361661069) 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, 3801892 + ... + 3803301.

It is an arithmetic number, because the mean of its divisors is an integer number (547573968).

Almost surely, 2^5361661065 is an apocalyptic number.

It is an amenable number.

5361661065 is a deficient number, since it is larger than the sum of its proper divisors (3399522423).

5361661065 is a wasteful number, since it uses less digits than its factorization.

5361661065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605248.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 5361661065 is about 73223.3642015989. The cubic root of 5361661065 is about 1750.2487880308.

The spelling of 5361661065 in words is "five billion, three hundred sixty-one million, six hundred sixty-one thousand, sixty-five".