2066169875 has 32 divisors (see below), whose sum is σ = 3214867968. Its totient is φ = 1287996000.

The previous prime is 2066169811. The next prime is 2066169899. The reversal of 2066169875 is 5789616602.

It is not a de Polignac number, because 2066169875 - 2⁶ = 2066169811 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97709 + ... + 116958.

It is an arithmetic number, because the mean of its divisors is an integer number (100464624).

Almost surely, 2^2066169875 is an apocalyptic number.

2066169875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2066169875 is a deficient number, since it is larger than the sum of its proper divisors (1148698093).

2066169875 is a wasteful number, since it uses less digits than its factorization.

2066169875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214700 (or 214690 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 2066169875 is about 45455.1413483667. The cubic root of 2066169875 is about 1273.6653726355.

The spelling of 2066169875 in words is "two billion, sixty-six million, one hundred sixty-nine thousand, eight hundred seventy-five".