16839847866101 has 8 divisors (see below), whose sum is σ = 18199758935064. Its totient is φ = 15489156533760.

The previous prime is 16839847866077. The next prime is 16839847866119. The reversal of 16839847866101 is 10166874893861.

It can be written as a sum of positive squares in 4 ways, for example, as 4437970009201 + 12401877856900 = 2106649^2 + 3521630^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-16839847866101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16839847869101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2304930356 + ... + 2304937661.

It is an arithmetic number, because the mean of its divisors is an integer number (2274969866883).

Almost surely, 2^{16839847866101} is an apocalyptic number.

It is an amenable number.

16839847866101 is a deficient number, since it is larger than the sum of its proper divisors (1359911068963).

16839847866101 is a wasteful number, since it uses less digits than its factorization.

16839847866101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609868311.

The product of its (nonzero) digits is 83607552, while the sum is 68.

The spelling of 16839847866101 in words is "sixteen trillion, eight hundred thirty-nine billion, eight hundred forty-seven million, eight hundred sixty-six thousand, one hundred one".