6616996166 has 16 divisors (see below), whose sum is σ = 10829062800. Its totient is φ = 3007378080.

The previous prime is 6616996153. The next prime is 6616996189.

6616996166 is nontrivially palindromic in base 10.

It is a congruent number.

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, 350480 + ... + 368876.

It is an arithmetic number, because the mean of its divisors is an integer number (676816425).

Almost surely, 2^6616996166 is an apocalyptic number.

6616996166 is a deficient number, since it is larger than the sum of its proper divisors (4212066634).

6616996166 is a wasteful number, since it uses less digits than its factorization.

6616996166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34759.

The product of its digits is 3779136, while the sum is 56.

The square root of 6616996166 is about 81344.9209600698. The cubic root of 6616996166 is about 1877.3862279766.

The spelling of 6616996166 in words is "six billion, six hundred sixteen million, nine hundred ninety-six thousand, one hundred sixty-six".