1066771465 has 8 divisors (see below), whose sum is σ = 1287199368. Its totient is φ = 848701440.

The previous prime is 1066771463. The next prime is 1066771469. The reversal of 1066771465 is 5641776601.

1066771465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21930489 + 1044840976 = 4683^2 + 32324^2 .

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

It is not a de Polignac number, because 1066771465 - 2¹ = 1066771463 is a prime.

It is a super-2 number, since 2×1066771465² = 2276002717076492450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066771463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588472 + ... + 590281.

It is an arithmetic number, because the mean of its divisors is an integer number (160899921).

Almost surely, 2^1066771465 is an apocalyptic number.

It is an amenable number.

1066771465 is a deficient number, since it is larger than the sum of its proper divisors (220427903).

1066771465 is a wasteful number, since it uses less digits than its factorization.

1066771465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178939.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 1066771465 is about 32661.4675879698. The cubic root of 1066771465 is about 1021.7793704087.

The spelling of 1066771465 in words is "one billion, sixty-six million, seven hundred seventy-one thousand, four hundred sixty-five".