2006066657 has 16 divisors (see below), whose sum is σ = 2433203712. Its totient is φ = 1614543360.

The previous prime is 2006066641. The next prime is 2006066669. The reversal of 2006066657 is 7566606002.

It is a cyclic number.

It is not a de Polignac number, because 2006066657 - 2⁴ = 2006066641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2006066657.

It is not an unprimeable number, because it can be changed into a prime (2006066617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31733 + ... + 70845.

It is an arithmetic number, because the mean of its divisors is an integer number (152075232).

Almost surely, 2^2006066657 is an apocalyptic number.

It is an amenable number.

2006066657 is a deficient number, since it is larger than the sum of its proper divisors (427137055).

2006066657 is a wasteful number, since it uses less digits than its factorization.

2006066657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39568.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 2006066657 is about 44789.1354794888. The cubic root of 2006066657 is about 1261.1936821332.

The spelling of 2006066657 in words is "two billion, six million, sixty-six thousand, six hundred fifty-seven".