1065546566 has 16 divisors (see below), whose sum is σ = 1844739360. Its totient is φ = 452140800.

The previous prime is 1065546551. The next prime is 1065546583. The reversal of 1065546566 is 6656455601.

It is a happy number.

It is a super-4 number, since 4×1065546566⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375371 + ... + 378198.

It is an arithmetic number, because the mean of its divisors is an integer number (115296210).

Almost surely, 2^1065546566 is an apocalyptic number.

1065546566 is a deficient number, since it is larger than the sum of its proper divisors (779192794).

1065546566 is a wasteful number, since it uses less digits than its factorization.

1065546566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753679.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 1065546566 is about 32642.7107636605. The cubic root of 1065546566 is about 1021.3881413877.

The spelling of 1065546566 in words is "one billion, sixty-five million, five hundred forty-six thousand, five hundred sixty-six".