6621914336 has 12 divisors (see below), whose sum is σ = 13036893912. Its totient is φ = 3310957152.

The previous prime is 6621914311. The next prime is 6621914339. The reversal of 6621914336 is 6334191266.

It is a junction number, because it is equal to n+sod(n) for n = 6621914293 and 6621914302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621914339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103467380 + ... + 103467443.

It is an arithmetic number, because the mean of its divisors is an integer number (1086407826).

Almost surely, 2^6621914336 is an apocalyptic number.

It is an amenable number.

6621914336 is a deficient number, since it is larger than the sum of its proper divisors (6414979576).

6621914336 is a wasteful number, since it uses less digits than its factorization.

6621914336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206934833 (or 206934825 counting only the distinct ones).

The product of its digits is 139968, while the sum is 41.

The square root of 6621914336 is about 81375.1456895777. The cubic root of 6621914336 is about 1877.8512435086.

The spelling of 6621914336 in words is "six billion, six hundred twenty-one million, nine hundred fourteen thousand, three hundred thirty-six".