6147351666225 has 108 divisors (see below), whose sum is σ = 13831485228288. Its totient is φ = 2554743470400.

The previous prime is 6147351666167. The next prime is 6147351666229. The reversal of 6147351666225 is 5226661537416.

It is not a de Polignac number, because 6147351666225 - 2¹⁰ = 6147351665201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6147351666229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 15937857 + ... + 16319006.

Almost surely, 2^{6147351666225} is an apocalyptic number.

It is an amenable number.

6147351666225 is an abundant number, since it is smaller than the sum of its proper divisors (7684133562063).

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

6147351666225 is a wasteful number, since it uses less digits than its factorization.

6147351666225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32256908 (or 32256889 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 6147351666225 in words is "six trillion, one hundred forty-seven billion, three hundred fifty-one million, six hundred sixty-six thousand, two hundred twenty-five".