1066646342 has 8 divisors (see below), whose sum is σ = 1602125136. Its totient is φ = 532604632.

The previous prime is 1066646327. The next prime is 1066646353. The reversal of 1066646342 is 2436466601.

It is a happy number.

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

It is a super-2 number, since 2×1066646342² = 2275468837803961928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066646296 and 1066646305.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 357413 + ... + 360384.

It is an arithmetic number, because the mean of its divisors is an integer number (200265642).

Almost surely, 2^1066646342 is an apocalyptic number.

1066646342 is a deficient number, since it is larger than the sum of its proper divisors (535478794).

1066646342 is an equidigital number, since it uses as much as digits as its factorization.

1066646342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718542.

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 1066646342 is about 32659.5520789860. The cubic root of 1066646342 is about 1021.7394202403.

The spelling of 1066646342 in words is "one billion, sixty-six million, six hundred forty-six thousand, three hundred forty-two".