1066170773 has 8 divisors (see below), whose sum is σ = 1125931968. Its totient is φ = 1007526784.

The previous prime is 1066170757. The next prime is 1066170797. The reversal of 1066170773 is 3770716601.

It is a happy number.

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 1066170773 - 2⁴ = 1066170757 is a prime.

It is a super-2 number, since 2×1066170773² = 2273440234398835058, 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 (1066170713) 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, 277340 + ... + 281157.

It is an arithmetic number, because the mean of its divisors is an integer number (140741496).

Almost surely, 2^1066170773 is an apocalyptic number.

It is an amenable number.

1066170773 is a deficient number, since it is larger than the sum of its proper divisors (59761195).

1066170773 is an equidigital number, since it uses as much as digits as its factorization.

1066170773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558603.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 1066170773 is about 32652.2705642349. The cubic root of 1066170773 is about 1021.5875486505.

The spelling of 1066170773 in words is "one billion, sixty-six million, one hundred seventy thousand, seven hundred seventy-three".