1064663523 has 144 divisors (see below), whose sum is σ = 2057039712. Its totient is φ = 524160000.

The previous prime is 1064663521. The next prime is 1064663563. The reversal of 1064663523 is 3253664601.

1064663523 is a `hidden beast` number, since 1 + 0 + 646 + 6 + 3 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 1064663523 - 2¹ = 1064663521 is a prime.

It is a super-2 number, since 2×1064663523² = 2267016834413543058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1064663521) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10541173 + ... + 10541273.

It is an arithmetic number, because the mean of its divisors is an integer number (14284998).

Almost surely, 2^1064663523 is an apocalyptic number.

1064663523 is a deficient number, since it is larger than the sum of its proper divisors (992376189).

1064663523 is a wasteful number, since it uses less digits than its factorization.

1064663523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 1064663523 is about 32629.1820767852. The cubic root of 1064663523 is about 1021.1059141121.

The spelling of 1064663523 in words is "one billion, sixty-four million, six hundred sixty-three thousand, five hundred twenty-three".