100016689 has 2 divisors, whose sum is σ = 100016690. Its totient is φ = 100016688.

The previous prime is 100016677. The next prime is 100016717. The reversal of 100016689 is 986610001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70694464 + 29322225 = 8408^2 + 5415^2 .

It is a cyclic number.

It is not a de Polignac number, because 100016689 - 2⁷ = 100016561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100016689.

It is not a weakly prime, because it can be changed into another prime (100016659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50008344 + 50008345.

It is an arithmetic number, because the mean of its divisors is an integer number (50008345).

Almost surely, 2^100016689 is an apocalyptic number.

It is an amenable number.

100016689 is a deficient number, since it is larger than the sum of its proper divisors (1).

100016689 is an equidigital number, since it uses as much as digits as its factorization.

100016689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 100016689 is about 10000.8344151876. The cubic root of 100016689 is about 464.1847030837.

It can be divided in two parts, 1000 and 16689, that added together give a square (17689 = 133²).

The spelling of 100016689 in words is "one hundred million, sixteen thousand, six hundred eighty-nine".