2066067221560 has 64 divisors (see below), whose sum is σ = 4816971878400. Its totient is φ = 796989787776.

The previous prime is 2066067221557. The next prime is 2066067221567. The reversal of 2066067221560 is 651227606602.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066067221567) 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, 7466664 + ... + 7738423.

It is an arithmetic number, because the mean of its divisors is an integer number (75265185600).

Almost surely, 2^{2066067221560} is an apocalyptic number.

2066067221560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066067221560 is an abundant number, since it is smaller than the sum of its proper divisors (2750904656840).

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

2066067221560 is a wasteful number, since it uses less digits than its factorization.

2066067221560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15205220 (or 15205216 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 2066067221560 in words is "two trillion, sixty-six billion, sixty-seven million, two hundred twenty-one thousand, five hundred sixty".