6601286428 has 12 divisors (see below), whose sum is σ = 12602455992. Its totient is φ = 3000584720.

The previous prime is 6601286401. The next prime is 6601286429. The reversal of 6601286428 is 8246821066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601286429) 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 3 ways as a sum of consecutive naturals, for example, 75014575 + ... + 75014662.

It is an arithmetic number, because the mean of its divisors is an integer number (1050204666).

Almost surely, 2^6601286428 is an apocalyptic number.

It is an amenable number.

6601286428 is a deficient number, since it is larger than the sum of its proper divisors (6001169564).

6601286428 is a wasteful number, since it uses less digits than its factorization.

6601286428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150029252 (or 150029250 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 6601286428 is about 81248.3010776225. The cubic root of 6601286428 is about 1875.8993187951.

The spelling of 6601286428 in words is "six billion, six hundred one million, two hundred eighty-six thousand, four hundred twenty-eight".