5616666165 has 16 divisors (see below), whose sum is σ = 9803635776. Its totient is φ = 2723232000.

The previous prime is 5616666163. The next prime is 5616666169.

5616666165 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5616666165 - 2¹ = 5616666163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5616666161) 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, 17020036 + ... + 17020365.

It is an arithmetic number, because the mean of its divisors is an integer number (612727236).

Almost surely, 2^5616666165 is an apocalyptic number.

5616666165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5616666165 is a deficient number, since it is larger than the sum of its proper divisors (4186969611).

5616666165 is a wasteful number, since it uses less digits than its factorization.

5616666165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34040420.

The product of its digits is 1166400, while the sum is 48.

The square root of 5616666165 is about 74944.4205061324. The cubic root of 5616666165 is about 1777.5679200033.

It can be divided in two parts, 561 and 6666165, that added together give a triangular number (6666726 = T₃₆₅₁).

The spelling of 5616666165 in words is "five billion, six hundred sixteen million, six hundred sixty-six thousand, one hundred sixty-five".