2066380556752 has 40 divisors (see below), whose sum is σ = 4462230470400. Its totient is φ = 921234673152.

The previous prime is 2066380556743. The next prime is 2066380556881. The reversal of 2066380556752 is 2576550836602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2066380556693 and 2066380556702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199915552 + ... + 199925887.

It is an arithmetic number, because the mean of its divisors is an integer number (111555761760).

Almost surely, 2^{2066380556752} is an apocalyptic number.

It is an amenable number.

2066380556752 is an abundant number, since it is smaller than the sum of its proper divisors (2395849913648).

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

2066380556752 is a wasteful number, since it uses less digits than its factorization.

2066380556752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399841483 (or 399841477 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 55.

The spelling of 2066380556752 in words is "two trillion, sixty-six billion, three hundred eighty million, five hundred fifty-six thousand, seven hundred fifty-two".