2066145514 has 4 divisors (see below), whose sum is σ = 3099218274. Its totient is φ = 1033072756.

The previous prime is 2066145509. The next prime is 2066145551. The reversal of 2066145514 is 4155416602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4155416602 = 2 ⋅2077708301.

It can be written as a sum of positive squares in only one way, i.e., 1174227289 + 891918225 = 34267^2 + 29865^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2066145514.

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 as a sum of consecutive naturals, namely, 516536377 + ... + 516536380.

Almost surely, 2^2066145514 is an apocalyptic number.

2066145514 is a deficient number, since it is larger than the sum of its proper divisors (1033072760).

2066145514 is a wasteful number, since it uses less digits than its factorization.

2066145514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033072759.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2066145514 is about 45454.8733800898. The cubic root of 2066145514 is about 1273.6603669348.

The spelling of 2066145514 in words is "two billion, sixty-six million, one hundred forty-five thousand, five hundred fourteen".