1065664712 has 32 divisors (see below), whose sum is σ = 2285478720. Its totient is φ = 456331200.

The previous prime is 1065664709. The next prime is 1065664739. The reversal of 1065664712 is 2174665601.

It is a super-2 number, since 2×1065664712² = 2271282556804085888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65543 + ... + 80169.

It is an arithmetic number, because the mean of its divisors is an integer number (71421210).

Almost surely, 2^1065664712 is an apocalyptic number.

It is an amenable number.

1065664712 is an abundant number, since it is smaller than the sum of its proper divisors (1219814008).

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

1065664712 is a wasteful number, since it uses less digits than its factorization.

1065664712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15941 (or 15937 counting only the distinct ones).

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

The square root of 1065664712 is about 32644.5203977635. The cubic root of 1065664712 is about 1021.4258899221.

The spelling of 1065664712 in words is "one billion, sixty-five million, six hundred sixty-four thousand, seven hundred twelve".