3666550038 has 16 divisors (see below), whose sum is σ = 7764459120. Its totient is φ = 1150290176.

The previous prime is 3666550033. The next prime is 3666550057. The reversal of 3666550038 is 8300556663.

3666550038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666550031) 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, 17973183 + ... + 17973386.

It is an arithmetic number, because the mean of its divisors is an integer number (485278695).

Almost surely, 2^3666550038 is an apocalyptic number.

3666550038 is an abundant number, since it is smaller than the sum of its proper divisors (4097909082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3666550038 is a wasteful number, since it uses less digits than its factorization.

3666550038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35946591.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 3666550038 is about 60552.0440447719. The cubic root of 3666550038 is about 1542.0053201059.

The spelling of 3666550038 in words is "three billion, six hundred sixty-six million, five hundred fifty thousand, thirty-eight".