1067865320 has 16 divisors (see below), whose sum is σ = 2402697060. Its totient is φ = 427146112.

The previous prime is 1067865307. The next prime is 1067865349. The reversal of 1067865320 is 235687601.

It can be written as a sum of positive squares in 2 ways, for example, as 1007554564 + 60310756 = 31742^2 + 7766^2 .

It is a super-2 number, since 2×1067865320² = 2280672683317404800, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13348277 + ... + 13348356.

Almost surely, 2^1067865320 is an apocalyptic number.

1067865320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1067865320 is an abundant number, since it is smaller than the sum of its proper divisors (1334831740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1067865320 is a wasteful number, since it uses less digits than its factorization.

1067865320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26696644 (or 26696640 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1067865320 is about 32678.2086412337. The cubic root of 1067865320 is about 1022.1284913183.

The spelling of 1067865320 in words is "one billion, sixty-seven million, eight hundred sixty-five thousand, three hundred twenty".