2064066222456 has 256 divisors, whose sum is σ = 6839562240000. Its totient is φ = 563921398656.

The previous prime is 2064066222443. The next prime is 2064066222457. The reversal of 2064066222456 is 6542226604602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064066222457) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150886225 + ... + 150899903.

It is an arithmetic number, because the mean of its divisors is an integer number (26717040000).

Almost surely, 2^{2064066222456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2064066222456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3419781120000).

2064066222456 is an abundant number, since it is smaller than the sum of its proper divisors (4775496017544).

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

2064066222456 is a wasteful number, since it uses less digits than its factorization.

2064066222456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18063 (or 18053 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 2064066222456 in words is "two trillion, sixty-four billion, sixty-six million, two hundred twenty-two thousand, four hundred fifty-six".