6662005611 has 16 divisors (see below), whose sum is σ = 9408998304. Its totient is φ = 4178386944.

The previous prime is 6662005589. The next prime is 6662005613. The reversal of 6662005611 is 1165002666.

It is not a de Polignac number, because 6662005611 - 2⁵ = 6662005579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6662005613) 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, 107055 + ... + 157431.

It is an arithmetic number, because the mean of its divisors is an integer number (588062394).

Almost surely, 2^6662005611 is an apocalyptic number.

6662005611 is a deficient number, since it is larger than the sum of its proper divisors (2746992693).

6662005611 is a wasteful number, since it uses less digits than its factorization.

6662005611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52990.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 6662005611 is about 81621.1100818900. The cubic root of 6662005611 is about 1881.6333333687.

The spelling of 6662005611 in words is "six billion, six hundred sixty-two million, five thousand, six hundred eleven".