1065352666 has 32 divisors (see below), whose sum is σ = 1875064320. Its totient is φ = 444496896.

The previous prime is 1065352633. The next prime is 1065352681. The reversal of 1065352666 is 6662535601.

It is a happy number.

It is a super-2 number, since 2×1065352666² = 2269952605906615112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122800 + ... + 131188.

It is an arithmetic number, because the mean of its divisors is an integer number (58595760).

Almost surely, 2^1065352666 is an apocalyptic number.

1065352666 is a deficient number, since it is larger than the sum of its proper divisors (809711654).

1065352666 is a wasteful number, since it uses less digits than its factorization.

1065352666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8638.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 1065352666 is about 32639.7405933319. The cubic root of 1065352666 is about 1021.3261828333.

The spelling of 1065352666 in words is "one billion, sixty-five million, three hundred fifty-two thousand, six hundred sixty-six".