1082646565 has 64 divisors (see below), whose sum is σ = 1754726400. Its totient is φ = 619280640.

The previous prime is 1082646557. The next prime is 1082646577. The reversal of 1082646565 is 5656462801.

It is not a de Polignac number, because 1082646565 - 2³ = 1082646557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 995452 + ... + 996538.

It is an arithmetic number, because the mean of its divisors is an integer number (27417600).

Almost surely, 2^1082646565 is an apocalyptic number.

It is an amenable number.

1082646565 is a deficient number, since it is larger than the sum of its proper divisors (672079835).

1082646565 is a wasteful number, since it uses less digits than its factorization.

1082646565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 1082646565 is about 32903.5950163504. The cubic root of 1082646565 is about 1026.8229514969.

The spelling of 1082646565 in words is "one billion, eighty-two million, six hundred forty-six thousand, five hundred sixty-five".