1050406666 has 64 divisors (see below), whose sum is σ = 1737179136. Its totient is φ = 475272000.

The previous prime is 1050406663. The next prime is 1050406667. The reversal of 1050406666 is 6666040501.

It is a super-2 number, since 2×1050406666² = 2206708327954471112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1050406663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10400016 + ... + 10400116.

It is an arithmetic number, because the mean of its divisors is an integer number (27143424).

Almost surely, 2^1050406666 is an apocalyptic number.

1050406666 is a deficient number, since it is larger than the sum of its proper divisors (686772470).

1050406666 is a wasteful number, since it uses less digits than its factorization.

1050406666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1050406666 is about 32409.9778771908. The cubic root of 1050406666 is about 1016.5275569707.

The spelling of 1050406666 in words is "one billion, fifty million, four hundred six thousand, six hundred sixty-six".