1066019874 has 16 divisors (see below), whose sum is σ = 2205558720. Its totient is φ = 343086800.

The previous prime is 1066019869. The next prime is 1066019989. The reversal of 1066019874 is 4789106601.

It is a super-2 number, since 2×1066019874² = 2272796743525951752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063102 + ... + 3063449.

It is an arithmetic number, because the mean of its divisors is an integer number (137847420).

Almost surely, 2^1066019874 is an apocalyptic number.

1066019874 is an abundant number, since it is smaller than the sum of its proper divisors (1139538846).

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

1066019874 is a wasteful number, since it uses less digits than its factorization.

1066019874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126585.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1066019874 is about 32649.9597855801. The cubic root of 1066019874 is about 1021.5393500515.

The spelling of 1066019874 in words is "one billion, sixty-six million, nineteen thousand, eight hundred seventy-four".