16285536825 has 24 divisors (see below), whose sum is σ = 27130974816. Its totient is φ = 8619312000.

The previous prime is 16285536809. The next prime is 16285536851. The reversal of 16285536825 is 52863558261.

It is a happy number.

16285536825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16285536825 - 2⁴ = 16285536809 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818956 + ... + 838605.

It is an arithmetic number, because the mean of its divisors is an integer number (1130457284).

Almost surely, 2^16285536825 is an apocalyptic number.

16285536825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16285536825 is a deficient number, since it is larger than the sum of its proper divisors (10845437991).

16285536825 is a wasteful number, since it uses less digits than its factorization.

16285536825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657705 (or 1657700 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 51.

The spelling of 16285536825 in words is "sixteen billion, two hundred eighty-five million, five hundred thirty-six thousand, eight hundred twenty-five".