1066655270 has 16 divisors (see below), whose sum is σ = 1921367520. Its totient is φ = 426353664.

The previous prime is 1066655267. The next prime is 1066655279. The reversal of 1066655270 is 725566601.

It is a super-2 number, since 2×1066655270² = 2275506930037545800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066655279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23762 + ... + 51941.

It is an arithmetic number, because the mean of its divisors is an integer number (120085470).

Almost surely, 2^1066655270 is an apocalyptic number.

1066655270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066655270 is a deficient number, since it is larger than the sum of its proper divisors (854712250).

1066655270 is a wasteful number, since it uses less digits than its factorization.

1066655270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77119.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 1066655270 is about 32659.6887615299. The cubic root of 1066655270 is about 1021.7422709396.

The spelling of 1066655270 in words is "one billion, sixty-six million, six hundred fifty-five thousand, two hundred seventy".