1065705516 has 72 divisors (see below), whose sum is σ = 2842148400. Its totient is φ = 335767680.

The previous prime is 1065705493. The next prime is 1065705521. The reversal of 1065705516 is 6155075601.

1065705516 is a `hidden beast` number, since 10 + 65 + 70 + 5 + 516 = 666.

It is a super-2 number, since 2×1065705516² = 2271456493665652512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346626 + ... + 349686.

Almost surely, 2^1065705516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1065705516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421074200).

1065705516 is an abundant number, since it is smaller than the sum of its proper divisors (1776442884).

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

1065705516 is a wasteful number, since it uses less digits than its factorization.

1065705516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3594 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 1065705516 is about 32645.1453665013. The cubic root of 1065705516 is about 1021.4389264584.

The spelling of 1065705516 in words is "one billion, sixty-five million, seven hundred five thousand, five hundred sixteen".