6628380129075 has 48 divisors (see below), whose sum is σ = 11615275431936. Its totient is φ = 3323828851200.

The previous prime is 6628380129067. The next prime is 6628380129169. The reversal of 6628380129075 is 5709210838266.

It is not a de Polignac number, because 6628380129075 - 2³ = 6628380129067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1359447 + ... + 3886496.

It is an arithmetic number, because the mean of its divisors is an integer number (241984904832).

Almost surely, 2^{6628380129075} is an apocalyptic number.

6628380129075 is a deficient number, since it is larger than the sum of its proper divisors (4986895302861).

6628380129075 is a wasteful number, since it uses less digits than its factorization.

6628380129075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246964 (or 5246959 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 6628380129075 in words is "six trillion, six hundred twenty-eight billion, three hundred eighty million, one hundred twenty-nine thousand, seventy-five".