4043121066 has 48 divisors (see below), whose sum is σ = 8917455456. Its totient is φ = 1323688608.

The previous prime is 4043121037. The next prime is 4043121107. The reversal of 4043121066 is 6601213404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250641 + ... + 266283.

It is an arithmetic number, because the mean of its divisors is an integer number (185780322).

Almost surely, 2^4043121066 is an apocalyptic number.

4043121066 is an abundant number, since it is smaller than the sum of its proper divisors (4874334390).

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

4043121066 is a wasteful number, since it uses less digits than its factorization.

4043121066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15907 (or 15904 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4043121066 is about 63585.5413281982. The cubic root of 4043121066 is about 1593.0848783749.

The spelling of 4043121066 in words is "four billion, forty-three million, one hundred twenty-one thousand, sixty-six".