1065664624 has 20 divisors (see below), whose sum is σ = 2135923560. Its totient is φ = 514458560.

The previous prime is 1065664619. The next prime is 1065664637. The reversal of 1065664624 is 4264665601.

It is a super-2 number, since 2×1065664624² = 2271282181690122752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147882 + ... + 1148809.

It is an arithmetic number, because the mean of its divisors is an integer number (106796178).

Almost surely, 2^1065664624 is an apocalyptic number.

It is an amenable number.

1065664624 is an abundant number, since it is smaller than the sum of its proper divisors (1070258936).

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

1065664624 is a wasteful number, since it uses less digits than its factorization.

1065664624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296728 (or 2296722 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 1065664624 is about 32644.5190499110. The cubic root of 1065664624 is about 1021.4258618065.

The spelling of 1065664624 in words is "one billion, sixty-five million, six hundred sixty-four thousand, six hundred twenty-four".