3666630543 has 32 divisors (see below), whose sum is σ = 5026560000. Its totient is φ = 2376750816.

The previous prime is 3666630503. The next prime is 3666630571. The reversal of 3666630543 is 3450366663.

It is not a de Polignac number, because 3666630543 - 2⁶ = 3666630479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3666630495 and 3666630504.

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 31 ways as a sum of consecutive naturals, for example, 7347708 + ... + 7348206.

It is an arithmetic number, because the mean of its divisors is an integer number (157080000).

Almost surely, 2^3666630543 is an apocalyptic number.

3666630543 is a deficient number, since it is larger than the sum of its proper divisors (1359929457).

3666630543 is a wasteful number, since it uses less digits than its factorization.

3666630543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971.

The product of its (nonzero) digits is 699840, while the sum is 42.

The square root of 3666630543 is about 60552.7087998547. The cubic root of 3666630543 is about 1542.0166057585.

The spelling of 3666630543 in words is "three billion, six hundred sixty-six million, six hundred thirty thousand, five hundred forty-three".