1071661166 has 8 divisors (see below), whose sum is σ = 1637821944. Its totient is φ = 525720520.

The previous prime is 1071661159. The next prime is 1071661169. The reversal of 1071661166 is 6611661701.

1071661166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×1071661166² = 2296915309424959112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071661169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5054900 + ... + 5055111.

It is an arithmetic number, because the mean of its divisors is an integer number (204727743).

Almost surely, 2^1071661166 is an apocalyptic number.

1071661166 is a deficient number, since it is larger than the sum of its proper divisors (566160778).

1071661166 is a wasteful number, since it uses less digits than its factorization.

1071661166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110066.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1071661166 is about 32736.2362833604. The cubic root of 1071661166 is about 1023.3381489468.

The spelling of 1071661166 in words is "one billion, seventy-one million, six hundred sixty-one thousand, one hundred sixty-six".