16530635535 has 32 divisors (see below), whose sum is σ = 27378648000. Its totient is φ = 8506853376.

The previous prime is 16530635483. The next prime is 16530635549. The reversal of 16530635535 is 53553603561.

It is not a de Polignac number, because 16530635535 - 2¹¹ = 16530633487 is a prime.

It is a super-2 number, since 2×16530635535² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714631 + ... + 737399.

It is an arithmetic number, because the mean of its divisors is an integer number (855582750).

Almost surely, 2^16530635535 is an apocalyptic number.

16530635535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16530635535 is a deficient number, since it is larger than the sum of its proper divisors (10848012465).

16530635535 is a wasteful number, since it uses less digits than its factorization.

16530635535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24475.

The product of its (nonzero) digits is 607500, while the sum is 42.

The spelling of 16530635535 in words is "sixteen billion, five hundred thirty million, six hundred thirty-five thousand, five hundred thirty-five".