6625564144 has 10 divisors (see below), whose sum is σ = 12837030560. Its totient is φ = 3312782064.

The previous prime is 6625564133. The next prime is 6625564151. The reversal of 6625564144 is 4414655266.

It is a self number, because there is not a number n which added to its sum of digits gives 6625564144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207048864 + ... + 207048895.

It is an arithmetic number, because the mean of its divisors is an integer number (1283703056).

Almost surely, 2^6625564144 is an apocalyptic number.

It is an amenable number.

6625564144 is a deficient number, since it is larger than the sum of its proper divisors (6211466416).

6625564144 is a wasteful number, since it uses less digits than its factorization.

6625564144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414097767 (or 414097761 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 6625564144 is about 81397.5684157703. The cubic root of 6625564144 is about 1878.1961859388.

The spelling of 6625564144 in words is "six billion, six hundred twenty-five million, five hundred sixty-four thousand, one hundred forty-four".