1066306406 has 16 divisors (see below), whose sum is σ = 1745375040. Its totient is φ = 484543080.

The previous prime is 1066306399. The next prime is 1066306421. The reversal of 1066306406 is 6046036601.

It is a super-2 number, since 2×1066306406² = 2274018702953273672, which contains 22 as substring.

It is a Curzon number.

It is a congruent 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, 122945 + ... + 131331.

It is an arithmetic number, because the mean of its divisors is an integer number (109085940).

Almost surely, 2^1066306406 is an apocalyptic number.

1066306406 is a deficient number, since it is larger than the sum of its proper divisors (679068634).

1066306406 is a wasteful number, since it uses less digits than its factorization.

1066306406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14179.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1066306406 is about 32654.3474287881. The cubic root of 1066306406 is about 1021.6308672609.

The spelling of 1066306406 in words is "one billion, sixty-six million, three hundred six thousand, four hundred six".