3668385550 has 12 divisors (see below), whose sum is σ = 6823197216. Its totient is φ = 1467354200.

The previous prime is 3668385521. The next prime is 3668385551. The reversal of 3668385550 is 555838663.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3668385494 and 3668385503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668385551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36683806 + ... + 36683905.

It is an arithmetic number, because the mean of its divisors is an integer number (568599768).

Almost surely, 2^3668385550 is an apocalyptic number.

3668385550 is a deficient number, since it is larger than the sum of its proper divisors (3154811666).

3668385550 is a wasteful number, since it uses less digits than its factorization.

3668385550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73367723 (or 73367718 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 49.

The square root of 3668385550 is about 60567.1986309421. The cubic root of 3668385550 is about 1542.2625916616.

The spelling of 3668385550 in words is "three billion, six hundred sixty-eight million, three hundred eighty-five thousand, five hundred fifty".