6662512425 has 24 divisors (see below), whose sum is σ = 11063907936. Its totient is φ = 3537677440.

The previous prime is 6662512421. The next prime is 6662512429. The reversal of 6662512425 is 5242152666.

It is an interprime number because it is at equal distance from previous prime (6662512421) and next prime (6662512429).

It is not a de Polignac number, because 6662512425 - 2² = 6662512421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6662512421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178644 + ... + 212693.

It is an arithmetic number, because the mean of its divisors is an integer number (460996164).

Almost surely, 2^6662512425 is an apocalyptic number.

It is an amenable number.

6662512425 is a deficient number, since it is larger than the sum of its proper divisors (4401395511).

6662512425 is a wasteful number, since it uses less digits than its factorization.

6662512425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391577 (or 391572 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 6662512425 is about 81624.2146976006. The cubic root of 6662512425 is about 1881.6810474251.

The spelling of 6662512425 in words is "six billion, six hundred sixty-two million, five hundred twelve thousand, four hundred twenty-five".