1071868166 has 16 divisors (see below), whose sum is σ = 1733704560. Its totient is φ = 495342720.

The previous prime is 1071868157. The next prime is 1071868169. The reversal of 1071868166 is 6618681701.

It is a super-2 number, since 2×1071868166² = 2297802730568407112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071868169) 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, 342431 + ... + 345546.

It is an arithmetic number, because the mean of its divisors is an integer number (108356535).

Almost surely, 2^1071868166 is an apocalyptic number.

1071868166 is a deficient number, since it is larger than the sum of its proper divisors (661836394).

1071868166 is a wasteful number, since it uses less digits than its factorization.

1071868166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688039.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 1071868166 is about 32739.3977647726. The cubic root of 1071868166 is about 1023.4040333781.

The spelling of 1071868166 in words is "one billion, seventy-one million, eight hundred sixty-eight thousand, one hundred sixty-six".