6411894222066 has 32 divisors (see below), whose sum is σ = 13238705269248. Its totient is φ = 2068158251520.

The previous prime is 6411894222043. The next prime is 6411894222067. The reversal of 6411894222066 is 6602224981146.

It is a super-2 number, since 2×6411894222066² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6411894222067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364836 + ... + 3599568.

It is an arithmetic number, because the mean of its divisors is an integer number (413709539664).

Almost surely, 2^{6411894222066} is an apocalyptic number.

6411894222066 is an abundant number, since it is smaller than the sum of its proper divisors (6826811047182).

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

6411894222066 is a wasteful number, since it uses less digits than its factorization.

6411894222066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245426.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 6411894222066 in words is "six trillion, four hundred eleven billion, eight hundred ninety-four million, two hundred twenty-two thousand, sixty-six".