4123536666 has 8 divisors (see below), whose sum is σ = 8247073344. Its totient is φ = 1374512220.

The previous prime is 4123536629. The next prime is 4123536667. The reversal of 4123536666 is 6666353214.

It is a happy number.

4123536666 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

4123536666 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4123536667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343628050 + ... + 343628061.

It is an arithmetic number, because the mean of its divisors is an integer number (1030884168).

Almost surely, 2^4123536666 is an apocalyptic number.

4123536666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4123536666 is a wasteful number, since it uses less digits than its factorization.

4123536666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687256116.

The product of its digits is 466560, while the sum is 42.

The square root of 4123536666 is about 64214.7698430821. The cubic root of 4123536666 is about 1603.5774983645.

The spelling of 4123536666 in words is "four billion, one hundred twenty-three million, five hundred thirty-six thousand, six hundred sixty-six".