6664460616 has 48 divisors (see below), whose sum is σ = 19690454160. Its totient is φ = 2019533280.

The previous prime is 6664460597. The next prime is 6664460629. The reversal of 6664460616 is 6160644666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4206570 + ... + 4208153.

It is an arithmetic number, because the mean of its divisors is an integer number (410217795).

Almost surely, 2^6664460616 is an apocalyptic number.

6664460616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6664460616 is an abundant number, since it is smaller than the sum of its proper divisors (13025993544).

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

6664460616 is a wasteful number, since it uses less digits than its factorization.

6664460616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8414746 (or 8414739 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 6664460616 is about 81636.1477288094. The cubic root of 6664460616 is about 1881.8644375434.

It can be divided in two parts, 66644 and 60616, that added together give a triangular number (127260 = T₅₀₄).

The spelling of 6664460616 in words is "six billion, six hundred sixty-four million, four hundred sixty thousand, six hundred sixteen".