4146329665 has 16 divisors (see below), whose sum is σ = 5449945680. Its totient is φ = 3014287360.

The previous prime is 4146329659. The next prime is 4146329689. The reversal of 4146329665 is 5669236414.

It is a Cunningham number, because it is equal to 64392²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 409819536 + 3736510129 = 20244^2 + 61127^2 .

It is not a de Polignac number, because 4146329665 - 2¹⁵ = 4146296897 is a prime.

It is an unprimeable number.

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, 838576 + ... + 843505.

It is an arithmetic number, because the mean of its divisors is an integer number (340621605).

Almost surely, 2^4146329665 is an apocalyptic number.

It is an amenable number.

4146329665 is a deficient number, since it is larger than the sum of its proper divisors (1303616015).

4146329665 is a wasteful number, since it uses less digits than its factorization.

4146329665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682132.

The product of its digits is 933120, while the sum is 46.

The square root of 4146329665 is about 64392.0000077649. Note that the first 5 decimals coincide. The cubic root of 4146329665 is about 1606.5266821091.

The spelling of 4146329665 in words is "four billion, one hundred forty-six million, three hundred twenty-nine thousand, six hundred sixty-five".