2066887474 has 4 divisors (see below), whose sum is σ = 3100331214. Its totient is φ = 1033443736.

The previous prime is 2066887453. The next prime is 2066887483. The reversal of 2066887474 is 4747886602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4747886602 = 2 ⋅2373943301.

It can be written as a sum of positive squares in only one way, i.e., 1334806225 + 732081249 = 36535^2 + 27057^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516721867 + ... + 516721870.

Almost surely, 2^2066887474 is an apocalyptic number.

2066887474 is a deficient number, since it is larger than the sum of its proper divisors (1033443740).

2066887474 is a wasteful number, since it uses less digits than its factorization.

2066887474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033443739.

The product of its (nonzero) digits is 3612672, while the sum is 52.

The square root of 2066887474 is about 45463.0341486355. The cubic root of 2066887474 is about 1273.8128073032.

The spelling of 2066887474 in words is "two billion, sixty-six million, eight hundred eighty-seven thousand, four hundred seventy-four".