1066321342 has 8 divisors (see below), whose sum is σ = 1603126800. Its totient is φ = 531945744.

The previous prime is 1066321327. The next prime is 1066321349. The reversal of 1066321342 is 2431236601.

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

It is a super-2 number, since 2×1066321342² = 2274082408809361928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1066321342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066321349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606367 + ... + 608122.

It is an arithmetic number, because the mean of its divisors is an integer number (200390850).

Almost surely, 2^1066321342 is an apocalyptic number.

1066321342 is a deficient number, since it is larger than the sum of its proper divisors (536805458).

1066321342 is a wasteful number, since it uses less digits than its factorization.

1066321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214930.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1066321342 is about 32654.5761264788. The cubic root of 1066321342 is about 1021.6356373117.

Adding to 1066321342 its reverse (2431236601), we get a palindrome (3497557943).

The spelling of 1066321342 in words is "one billion, sixty-six million, three hundred twenty-one thousand, three hundred forty-two".