1066516655 has 8 divisors (see below), whose sum is σ = 1282064784. Its totient is φ = 851716800.

The previous prime is 1066516651. The next prime is 1066516657. The reversal of 1066516655 is 5566156601.

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

It is not a de Polignac number, because 1066516655 - 2² = 1066516651 is a prime.

It is a super-2 number, since 2×1066516655² = 2274915550784778050, 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 (1066516651) by changing a digit.

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, 183926 + ... + 189635.

It is an arithmetic number, because the mean of its divisors is an integer number (160258098).

Almost surely, 2^1066516655 is an apocalyptic number.

1066516655 is a deficient number, since it is larger than the sum of its proper divisors (215548129).

1066516655 is an equidigital number, since it uses as much as digits as its factorization.

1066516655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374137.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 1066516655 is about 32657.5665811156. The cubic root of 1066516655 is about 1021.6980095479.

The spelling of 1066516655 in words is "one billion, sixty-six million, five hundred sixteen thousand, six hundred fifty-five".