6619821146 has 8 divisors (see below), whose sum is σ = 9940929120. Its totient is φ = 3306178108.

The previous prime is 6619821137. The next prime is 6619821149. The reversal of 6619821146 is 6411289166.

6619821146 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6619821097 and 6619821106.

It is not an unprimeable number, because it can be changed into a prime (6619821149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864016 + ... + 1867563.

It is an arithmetic number, because the mean of its divisors is an integer number (1242616140).

Almost surely, 2^6619821146 is an apocalyptic number.

6619821146 is a deficient number, since it is larger than the sum of its proper divisors (3321107974).

6619821146 is a wasteful number, since it uses less digits than its factorization.

6619821146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732468.

The product of its digits is 124416, while the sum is 44.

The square root of 6619821146 is about 81362.2833135846. The cubic root of 6619821146 is about 1877.6533594586.

The spelling of 6619821146 in words is "six billion, six hundred nineteen million, eight hundred twenty-one thousand, one hundred forty-six".