3666630533 has 8 divisors (see below), whose sum is σ = 3977006040. Its totient is φ = 3366776320.

The previous prime is 3666630503. The next prime is 3666630571. The reversal of 3666630533 is 3350366663.

3666630533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 106956964 + 3559673569 = 10342^2 + 59663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3666630533 - 2¹⁶ = 3666564997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666630503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629598 + ... + 2630991.

It is an arithmetic number, because the mean of its divisors is an integer number (497125755).

Almost surely, 2^3666630533 is an apocalyptic number.

It is an amenable number.

3666630533 is a deficient number, since it is larger than the sum of its proper divisors (310375507).

3666630533 is a wasteful number, since it uses less digits than its factorization.

3666630533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260647.

The product of its (nonzero) digits is 524880, while the sum is 41.

The square root of 3666630533 is about 60552.7087172820. The cubic root of 3666630533 is about 1542.0166043567.

The spelling of 3666630533 in words is "three billion, six hundred sixty-six million, six hundred thirty thousand, five hundred thirty-three".