6466622224000 has 128 divisors (see below), whose sum is σ = 16776668263680. Its totient is φ = 2474185753600.

The previous prime is 6466622223983. The next prime is 6466622224067. The reversal of 6466622224000 is 4222266646.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8418172 + ... + 9154171.

It is an arithmetic number, because the mean of its divisors is an integer number (131067720810).

Almost surely, 2^{6466622224000} is an apocalyptic number.

It is an amenable number.

6466622224000 is an abundant number, since it is smaller than the sum of its proper divisors (10310046039680).

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

6466622224000 is a wasteful number, since it uses less digits than its factorization.

6466622224000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17572395 (or 17572373 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 6466622224000 in words is "six trillion, four hundred sixty-six billion, six hundred twenty-two million, two hundred twenty-four thousand".