4021106664 has 32 divisors (see below), whose sum is σ = 10059228000. Its totient is φ = 1339507392.

The previous prime is 4021106651. The next prime is 4021106671. The reversal of 4021106664 is 4666011204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15159 + ... + 90950.

It is an arithmetic number, because the mean of its divisors is an integer number (314350875).

Almost surely, 2^4021106664 is an apocalyptic number.

It is an amenable number.

4021106664 is an abundant number, since it is smaller than the sum of its proper divisors (6038121336).

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

4021106664 is a wasteful number, since it uses less digits than its factorization.

4021106664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107697 (or 107693 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4021106664 is about 63412.1964924730. The cubic root of 4021106664 is about 1590.1882171081.

Adding to 4021106664 its reverse (4666011204), we get a palindrome (8687117868).

It can be divided in two parts, 4021 and 106664, that added together give a triangular number (110685 = T₄₇₀).

The spelling of 4021106664 in words is "four billion, twenty-one million, one hundred six thousand, six hundred sixty-four".