1066747718 has 8 divisors (see below), whose sum is σ = 1600474680. Its totient is φ = 533256160.

The previous prime is 1066747709. The next prime is 1066747733. The reversal of 1066747718 is 8177476601.

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 2×1066747718² = 2275901387716415048, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47048 + ... + 65931.

It is an arithmetic number, because the mean of its divisors is an integer number (200059335).

Almost surely, 2^1066747718 is an apocalyptic number.

1066747718 is a deficient number, since it is larger than the sum of its proper divisors (533726962).

1066747718 is a wasteful number, since it uses less digits than its factorization.

1066747718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117702.

The product of its (nonzero) digits is 395136, while the sum is 47.

The square root of 1066747718 is about 32661.1040535987. The cubic root of 1066747718 is about 1021.7717885365.

It can be divided in two parts, 10667 and 47718, that added together give a palindrome (58385).

The spelling of 1066747718 in words is "one billion, sixty-six million, seven hundred forty-seven thousand, seven hundred eighteen".