4006026661 has 8 divisors (see below), whose sum is σ = 4930494464. Its totient is φ = 3169603440.

The previous prime is 4006026653. The next prime is 4006026697. The reversal of 4006026661 is 1666206004.

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 4006026661 - 2³ = 4006026653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006026161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22011045 + ... + 22011226.

It is an arithmetic number, because the mean of its divisors is an integer number (616311808).

Almost surely, 2^4006026661 is an apocalyptic number.

It is an amenable number.

4006026661 is a deficient number, since it is larger than the sum of its proper divisors (924467803).

4006026661 is a wasteful number, since it uses less digits than its factorization.

4006026661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44022291.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 4006026661 is about 63293.1802092453. The cubic root of 4006026661 is about 1588.1978792524.

The spelling of 4006026661 in words is "four billion, six million, twenty-six thousand, six hundred sixty-one".