1065065565616 has 40 divisors (see below), whose sum is σ = 2222389570464. Its totient is φ = 491548968960.

The previous prime is 1065065565547. The next prime is 1065065565617. The reversal of 1065065565616 is 6165655605601.

It is a super-2 number, since 2×1065065565616² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (1065065565617) 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, 5935485 + ... + 6112291.

Almost surely, 2^{1065065565616} is an apocalyptic number.

1065065565616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1065065565616 is an abundant number, since it is smaller than the sum of its proper divisors (1157324004848).

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

1065065565616 is a wasteful number, since it uses less digits than its factorization.

1065065565616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205789 (or 205783 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 1065065565616 in words is "one trillion, sixty-five billion, sixty-five million, five hundred sixty-five thousand, six hundred sixteen".