16856101 has 2 divisors, whose sum is σ = 16856102. Its totient is φ = 16856100.

The previous prime is 16856089. The next prime is 16856111. The reversal of 16856101 is 10165861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10556001 + 6300100 = 3249^2 + 2510^2 .

It is a cyclic number.

It is not a de Polignac number, because 16856101 - 2¹⁵ = 16823333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16856101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16856111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8428050 + 8428051.

It is an arithmetic number, because the mean of its divisors is an integer number (8428051).

Almost surely, 2^16856101 is an apocalyptic number.

It is an amenable number.

16856101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16856101 is an equidigital number, since it uses as much as digits as its factorization.

16856101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 16856101 is about 4105.6182238489. The cubic root of 16856101 is about 256.4006026467.

The spelling of 16856101 in words is "sixteen million, eight hundred fifty-six thousand, one hundred one".