1066317517 has 8 divisors (see below), whose sum is σ = 1085142240. Its totient is φ = 1047635280.

The previous prime is 1066317451. The next prime is 1066317523. The reversal of 1066317517 is 7157136601.

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

It is a cyclic number.

It is not a de Polignac number, because 1066317517 - 2⁷ = 1066317389 is a prime.

It is a super-2 number, since 2×1066317517² = 2274066094122090578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066317557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20467 + ... + 50512.

It is an arithmetic number, because the mean of its divisors is an integer number (135642780).

Almost surely, 2^1066317517 is an apocalyptic number.

It is an amenable number.

1066317517 is a deficient number, since it is larger than the sum of its proper divisors (18824723).

1066317517 is an equidigital number, since it uses as much as digits as its factorization.

1066317517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71243.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1066317517 is about 32654.5175588310. The cubic root of 1066317517 is about 1021.6344157409.

The spelling of 1066317517 in words is "one billion, sixty-six million, three hundred seventeen thousand, five hundred seventeen".