2066042644600 has 72 divisors (see below), whose sum is σ = 5279934250080. Its totient is φ = 751288225600.

The previous prime is 2066042644591. The next prime is 2066042644619. The reversal of 2066042644600 is 64462406602.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42662632 + ... + 42711031.

It is an arithmetic number, because the mean of its divisors is an integer number (73332420140).

Almost surely, 2^{2066042644600} is an apocalyptic number.

2066042644600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066042644600 is an abundant number, since it is smaller than the sum of its proper divisors (3213891605480).

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

2066042644600 is a wasteful number, since it uses less digits than its factorization.

2066042644600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85373701 (or 85373681 counting only the distinct ones).

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

The spelling of 2066042644600 in words is "two trillion, sixty-six billion, forty-two million, six hundred forty-four thousand, six hundred".