1065566552 has 16 divisors (see below), whose sum is σ = 2051936160. Its totient is φ = 518383584.

The previous prime is 1065566543. The next prime is 1065566561. The reversal of 1065566552 is 2556655601.

It is an interprime number because it is at equal distance from previous prime (1065566543) and next prime (1065566561).

It is a super-2 number, since 2×1065566552² = 2270864153482337408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1799648 + ... + 1800239.

It is an arithmetic number, because the mean of its divisors is an integer number (128246010).

Almost surely, 2^1065566552 is an apocalyptic number.

It is an amenable number.

1065566552 is a deficient number, since it is larger than the sum of its proper divisors (986369608).

1065566552 is a wasteful number, since it uses less digits than its factorization.

1065566552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599930 (or 3599926 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 41.

The square root of 1065566552 is about 32643.0168948889. The cubic root of 1065566552 is about 1021.3945272609.

The spelling of 1065566552 in words is "one billion, sixty-five million, five hundred sixty-six thousand, five hundred fifty-two".