2066775760 has 40 divisors (see below), whose sum is σ = 5491719936. Its totient is φ = 708608640.

The previous prime is 2066775751. The next prime is 2066775773. The reversal of 2066775760 is 675776602.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2066775760.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1844776 + ... + 1845895.

Almost surely, 2^2066775760 is an apocalyptic number.

2066775760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066775760 is an abundant number, since it is smaller than the sum of its proper divisors (3424944176).

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

2066775760 is a wasteful number, since it uses less digits than its factorization.

2066775760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690691 (or 3690685 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 2066775760 is about 45461.8055074807. The cubic root of 2066775760 is about 1273.7898572895.

The spelling of 2066775760 in words is "two billion, sixty-six million, seven hundred seventy-five thousand, seven hundred sixty".