16885238525869 has 16 divisors (see below), whose sum is σ = 19305821253888. Its totient is φ = 14466758625792.

The previous prime is 16885238525801. The next prime is 16885238525957. The reversal of 16885238525869 is 96852583258861.

It is a cyclic number.

It is not a de Polignac number, because 16885238525869 - 2³¹ = 16883091042221 is a prime.

It is a super-2 number, since 2×16885238525869² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16885238525795 and 16885238525804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16885238525069) 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, 160540512 + ... + 160645654.

It is an arithmetic number, because the mean of its divisors is an integer number (1206613828368).

Almost surely, 2^{16885238525869} is an apocalyptic number.

It is an amenable number.

16885238525869 is a deficient number, since it is larger than the sum of its proper divisors (2420582728019).

16885238525869 is a wasteful number, since it uses less digits than its factorization.

16885238525869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114924.

The product of its digits is 1990656000, while the sum is 76.

The spelling of 16885238525869 in words is "sixteen trillion, eight hundred eighty-five billion, two hundred thirty-eight million, five hundred twenty-five thousand, eight hundred sixty-nine".