1065664711 has 8 divisors (see below), whose sum is σ = 1137974400. Its totient is φ = 995725920.

The previous prime is 1065664709. The next prime is 1065664739. The reversal of 1065664711 is 1174665601.

1065664711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1065664711 - 2¹ = 1065664709 is a prime.

It is a super-2 number, since 2×1065664711² = 2271282552541427042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065664741) 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, 591796 + ... + 593593.

It is an arithmetic number, because the mean of its divisors is an integer number (142246800).

Almost surely, 2^1065664711 is an apocalyptic number.

1065664711 is a deficient number, since it is larger than the sum of its proper divisors (72309689).

1065664711 is a wasteful number, since it uses less digits than its factorization.

1065664711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185449.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1065664711 is about 32644.5203824470. The cubic root of 1065664711 is about 1021.4258896026.

The spelling of 1065664711 in words is "one billion, sixty-five million, six hundred sixty-four thousand, seven hundred eleven".