1066145967 has 12 divisors (see below), whose sum is σ = 1554382440. Its totient is φ = 704120688.

The previous prime is 1066145957. The next prime is 1066145987. The reversal of 1066145967 is 7695416601.

It is not a de Polignac number, because 1066145967 - 2⁶ = 1066145903 is a prime.

It is a super-2 number, since 2×1066145967² = 2273334445900730178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066145957) 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 11 ways as a sum of consecutive naturals, for example, 552592 + ... + 554517.

It is an arithmetic number, because the mean of its divisors is an integer number (129531870).

Almost surely, 2^1066145967 is an apocalyptic number.

1066145967 is a deficient number, since it is larger than the sum of its proper divisors (488236473).

1066145967 is a wasteful number, since it uses less digits than its factorization.

1066145967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107222 (or 1107219 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1066145967 is about 32651.8907109527. The cubic root of 1066145967 is about 1021.5796256868.

The spelling of 1066145967 in words is "one billion, sixty-six million, one hundred forty-five thousand, nine hundred sixty-seven".