16855052036 has 18 divisors (see below), whose sum is σ = 30478536270. Its totient is φ = 8155668480.

The previous prime is 16855052021. The next prime is 16855052051. The reversal of 16855052036 is 63025055861.

It is an interprime number because it is at equal distance from previous prime (16855052021) and next prime (16855052051).

It can be written as a sum of positive squares in only one way, i.e., 14767110400 + 2087941636 = 121520^2 + 45694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16855051984 and 16855052002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2188541 + ... + 2196228.

It is an arithmetic number, because the mean of its divisors is an integer number (1693252015).

Almost surely, 2^16855052036 is an apocalyptic number.

It is an amenable number.

16855052036 is a deficient number, since it is larger than the sum of its proper divisors (13623484234).

16855052036 is a wasteful number, since it uses less digits than its factorization.

16855052036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384835 (or 4384802 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 16855052036 in words is "sixteen billion, eight hundred fifty-five million, fifty-two thousand, thirty-six".