1066334666 has 8 divisors (see below), whose sum is σ = 1629681444. Its totient is φ = 523107520.

The previous prime is 1066334657. The next prime is 1066334693. The reversal of 1066334666 is 6664336601.

It can be written as a sum of positive squares in 2 ways, for example, as 1013467225 + 52867441 = 31835^2 + 7271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1066334666² = 2274139239826663112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5029775 + ... + 5029986.

Almost surely, 2^1066334666 is an apocalyptic number.

1066334666 is a deficient number, since it is larger than the sum of its proper divisors (563346778).

1066334666 is a wasteful number, since it uses less digits than its factorization.

1066334666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10059816.

The product of its (nonzero) digits is 279936, while the sum is 41.

The square root of 1066334666 is about 32654.7801401265. The cubic root of 1066334666 is about 1021.6398925070.

The spelling of 1066334666 in words is "one billion, sixty-six million, three hundred thirty-four thousand, six hundred sixty-six".