6622066464 has 48 divisors (see below), whose sum is σ = 18720076032. Its totient is φ = 2037558528.

The previous prime is 6622066441. The next prime is 6622066469. The reversal of 6622066464 is 4646602266.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (6622066469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2651824 + ... + 2654319.

It is an arithmetic number, because the mean of its divisors is an integer number (390001584).

Almost surely, 2^6622066464 is an apocalyptic number.

It is an amenable number.

6622066464 is an abundant number, since it is smaller than the sum of its proper divisors (12098009568).

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

6622066464 is a wasteful number, since it uses less digits than its factorization.

6622066464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306169 (or 5306161 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 6622066464 is about 81376.0804167908. The cubic root of 6622066464 is about 1877.8656236184.

The spelling of 6622066464 in words is "six billion, six hundred twenty-two million, sixty-six thousand, four hundred sixty-four".