6180820628 has 24 divisors (see below), whose sum is σ = 11510857512. Its totient is φ = 2893850624.

The previous prime is 6180820627. The next prime is 6180820661. The reversal of 6180820628 is 8260280816.

It can be written as a sum of positive squares in 4 ways, for example, as 5001035524 + 1179785104 = 70718^2 + 34348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6180820627) 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 7 ways as a sum of consecutive naturals, for example, 217301 + ... + 244092.

It is an arithmetic number, because the mean of its divisors is an integer number (479619063).

Almost surely, 2^6180820628 is an apocalyptic number.

6180820628 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6180820628 is a deficient number, since it is larger than the sum of its proper divisors (5330036884).

6180820628 is a wasteful number, since it uses less digits than its factorization.

6180820628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461611 (or 461609 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 6180820628 is about 78618.1952731046. The cubic root of 6180820628 is about 1835.1942791873.

The spelling of 6180820628 in words is "six billion, one hundred eighty million, eight hundred twenty thousand, six hundred twenty-eight".