6625386272 has 18 divisors (see below), whose sum is σ = 13044635793. Its totient is φ = 3312462912.

The previous prime is 6625386269. The next prime is 6625386277. The reversal of 6625386272 is 2726835266.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 6298644496 + 326741776 = 79364^2 + 18076^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57556.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6625386277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 453254 + ... + 467642.

Almost surely, 2^6625386272 is an apocalyptic number.

It is an amenable number.

6625386272 is a deficient number, since it is larger than the sum of its proper divisors (6419249521).

6625386272 is an frugal number, since it uses more digits than its factorization.

6625386272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28788 (or 14391 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The square root of 6625386272 is about 81396.4757959459. The cubic root of 6625386272 is about 1878.1793782379.

The spelling of 6625386272 in words is "six billion, six hundred twenty-five million, three hundred eighty-six thousand, two hundred seventy-two".