1066866245 has 8 divisors (see below), whose sum is σ = 1347620640. Its totient is φ = 808572240.

The previous prime is 1066866233. The next prime is 1066866253. The reversal of 1066866245 is 5426686601.

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

It is not a de Polignac number, because 1066866245 - 2¹⁸ = 1066604101 is a prime.

It is a super-2 number, since 2×1066866245² = 2276407169440800050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066866196 and 1066866205.

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 7 ways as a sum of consecutive naturals, for example, 5614991 + ... + 5615180.

It is an arithmetic number, because the mean of its divisors is an integer number (168452580).

Almost surely, 2^1066866245 is an apocalyptic number.

It is an amenable number.

1066866245 is a deficient number, since it is larger than the sum of its proper divisors (280754395).

1066866245 is a wasteful number, since it uses less digits than its factorization.

1066866245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11230195.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 1066866245 is about 32662.9185009546. The cubic root of 1066866245 is about 1021.8096303672.

The spelling of 1066866245 in words is "one billion, sixty-six million, eight hundred sixty-six thousand, two hundred forty-five".