6647998060 has 48 divisors (see below), whose sum is σ = 15256200960. Its totient is φ = 2413288640.

The previous prime is 6647998031. The next prime is 6647998067. The reversal of 6647998060 is 608997466.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 6647997992 and 6647998010.

It is not an unprimeable number, because it can be changed into a prime (6647998067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103401 + ... + 154879.

It is an arithmetic number, because the mean of its divisors is an integer number (317837520).

Almost surely, 2^6647998060 is an apocalyptic number.

It is an amenable number.

6647998060 is an abundant number, since it is smaller than the sum of its proper divisors (8608202900).

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

6647998060 is a wasteful number, since it uses less digits than its factorization.

6647998060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52086 (or 52084 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The square root of 6647998060 is about 81535.2565458649. The cubic root of 6647998060 is about 1880.3136322233.

The spelling of 6647998060 in words is "six billion, six hundred forty-seven million, nine hundred ninety-eight thousand, sixty".