2066887749696 has 224 divisors, whose sum is σ = 6822511331328. Its totient is φ = 536502312960.

The previous prime is 2066887749691. The next prime is 2066887749743. The reversal of 2066887749696 is 6969477886602.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (2066887749691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22914541 + ... + 23004563.

It is an arithmetic number, because the mean of its divisors is an integer number (30457639872).

Almost surely, 2^{2066887749696} 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 2066887749696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3411255665664).

2066887749696 is an abundant number, since it is smaller than the sum of its proper divisors (4755623581632).

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

2066887749696 is a wasteful number, since it uses less digits than its factorization.

2066887749696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91609 (or 91599 counting only the distinct ones).

The product of its (nonzero) digits is 2633637888, while the sum is 78.

The spelling of 2066887749696 in words is "two trillion, sixty-six billion, eight hundred eighty-seven million, seven hundred forty-nine thousand, six hundred ninety-six".