1066047656205 has 32 divisors (see below), whose sum is σ = 1949384634624. Its totient is φ = 487325984256.

The previous prime is 1066047656197. The next prime is 1066047656221. The reversal of 1066047656205 is 5026567406601.

It is not a de Polignac number, because 1066047656205 - 2³ = 1066047656197 is a prime.

It is a super-2 number, since 2×1066047656205² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7836649 + ... + 7971521.

It is an arithmetic number, because the mean of its divisors is an integer number (60918269832).

Almost surely, 2^{1066047656205} is an apocalyptic number.

1066047656205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066047656205 is a deficient number, since it is larger than the sum of its proper divisors (883336978419).

1066047656205 is a wasteful number, since it uses less digits than its factorization.

1066047656205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210165.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 1066047656205 in words is "one trillion, sixty-six billion, forty-seven million, six hundred fifty-six thousand, two hundred five".