1066971107 has 4 divisors (see below), whose sum is σ = 1067141976. Its totient is φ = 1066800240.

The previous prime is 1066971097. The next prime is 1066971179. The reversal of 1066971107 is 7011796601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066971107 - 2⁴ = 1066971091 is a prime.

It is a super-2 number, since 2×1066971107² = 2276854686345610898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066971007) 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, 75698 + ... + 88679.

It is an arithmetic number, because the mean of its divisors is an integer number (266785494).

Almost surely, 2^1066971107 is an apocalyptic number.

1066971107 is a deficient number, since it is larger than the sum of its proper divisors (170869).

1066971107 is an equidigital number, since it uses as much as digits as its factorization.

1066971107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170868.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 1066971107 is about 32664.5236763067. The cubic root of 1066971107 is about 1021.8431070695.

The spelling of 1066971107 in words is "one billion, sixty-six million, nine hundred seventy-one thousand, one hundred seven".