1065663500 has 48 divisors (see below), whose sum is σ = 2539004832. Its totient is φ = 387512000.

The previous prime is 1065663497. The next prime is 1065663503. The reversal of 1065663500 is 53665601.

1065663500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1065663497) and next prime (1065663503).

It is a super-2 number, since 2×1065663500² = 2271277390464500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065663503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91379 + ... + 102378.

It is an arithmetic number, because the mean of its divisors is an integer number (52895934).

Almost surely, 2^1065663500 is an apocalyptic number.

1065663500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065663500 is an abundant number, since it is smaller than the sum of its proper divisors (1473341332).

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

1065663500 is a wasteful number, since it uses less digits than its factorization.

1065663500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193787 (or 193775 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1065663500 is about 32644.5018341527. The cubic root of 1065663500 is about 1021.4255026932.

The spelling of 1065663500 in words is "one billion, sixty-five million, six hundred sixty-three thousand, five hundred".