6466859049222 has 96 divisors (see below), whose sum is σ = 16470319057920. Its totient is φ = 1807898074560.

The previous prime is 6466859049193. The next prime is 6466859049223. The reversal of 6466859049222 is 2229409586646.

6466859049222 is a `hidden beast` number, since 6 + 4 + 66 + 85 + 9 + 0 + 492 + 2 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6466859049222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466859049223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3896779 + ... + 5302697.

It is an arithmetic number, because the mean of its divisors is an integer number (171565823520).

Almost surely, 2^{6466859049222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6466859049222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8235159528960).

6466859049222 is an abundant number, since it is smaller than the sum of its proper divisors (10003460008698).

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

6466859049222 is a wasteful number, since it uses less digits than its factorization.

6466859049222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407738 (or 1407735 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 63.

The spelling of 6466859049222 in words is "six trillion, four hundred sixty-six billion, eight hundred fifty-nine million, forty-nine thousand, two hundred twenty-two".