6612545444 has 12 divisors (see below), whose sum is σ = 11609165568. Its totient is φ = 3295641000.

The previous prime is 6612545441. The next prime is 6612545483. The reversal of 6612545444 is 4445452166.

It is not an unprimeable number, because it can be changed into a prime (6612545441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656532 + ... + 2659019.

It is an arithmetic number, because the mean of its divisors is an integer number (967430464).

Almost surely, 2^6612545444 is an apocalyptic number.

It is an amenable number.

6612545444 is a deficient number, since it is larger than the sum of its proper divisors (4996620124).

6612545444 is a wasteful number, since it uses less digits than its factorization.

6612545444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315866 (or 5315864 counting only the distinct ones).

The product of its digits is 460800, while the sum is 41.

The square root of 6612545444 is about 81317.5592599778. The cubic root of 6612545444 is about 1876.9652112450.

The spelling of 6612545444 in words is "six billion, six hundred twelve million, five hundred forty-five thousand, four hundred forty-four".