16535531235 has 16 divisors (see below), whose sum is σ = 26625368736. Its totient is φ = 8762777088.

The previous prime is 16535531209. The next prime is 16535531249. The reversal of 16535531235 is 53213553561.

It is not a de Polignac number, because 16535531235 - 2⁶ = 16535531171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16535531193 and 16535531202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3508374 + ... + 3513083.

It is an arithmetic number, because the mean of its divisors is an integer number (1664085546).

Almost surely, 2^16535531235 is an apocalyptic number.

16535531235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16535531235 is a deficient number, since it is larger than the sum of its proper divisors (10089837501).

16535531235 is a wasteful number, since it uses less digits than its factorization.

16535531235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021622.

The product of its digits is 202500, while the sum is 39.

The spelling of 16535531235 in words is "sixteen billion, five hundred thirty-five million, five hundred thirty-one thousand, two hundred thirty-five".