3665339668 has 6 divisors (see below), whose sum is σ = 6414344426. Its totient is φ = 1832669832.

The previous prime is 3665339633. The next prime is 3665339681. The reversal of 3665339668 is 8669335663.

It can be written as a sum of positive squares in only one way, i.e., 2804973444 + 860366224 = 52962^2 + 29332^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458167455 + ... + 458167462.

Almost surely, 2^3665339668 is an apocalyptic number.

It is an amenable number.

3665339668 is a deficient number, since it is larger than the sum of its proper divisors (2749004758).

3665339668 is a wasteful number, since it uses less digits than its factorization.

3665339668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916334921 (or 916334919 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 55.

The square root of 3665339668 is about 60542.0487595192. The cubic root of 3665339668 is about 1541.8356235819.

The spelling of 3665339668 in words is "three billion, six hundred sixty-five million, three hundred thirty-nine thousand, six hundred sixty-eight".