6616776166 has 64 divisors (see below), whose sum is σ = 13386756096. Its totient is φ = 2368828800.

The previous prime is 6616776143. The next prime is 6616776167.

6616776166 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616776167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439036 + ... + 453856.

It is an arithmetic number, because the mean of its divisors is an integer number (209168064).

Almost surely, 2^6616776166 is an apocalyptic number.

6616776166 is an abundant number, since it is smaller than the sum of its proper divisors (6769979930).

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

6616776166 is a wasteful number, since it uses less digits than its factorization.

6616776166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15077.

The product of its digits is 2286144, while the sum is 52.

The square root of 6616776166 is about 81343.5686824718. The cubic root of 6616776166 is about 1877.3654214788.

The spelling of 6616776166 in words is "six billion, six hundred sixteen million, seven hundred seventy-six thousand, one hundred sixty-six".