16986612101 has 2 divisors, whose sum is σ = 16986612102. Its totient is φ = 16986612100.

The previous prime is 16986612079. The next prime is 16986612127. The reversal of 16986612101 is 10121668961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15731681476 + 1254930625 = 125426^2 + 35425^2 .

It is a cyclic number.

It is not a de Polignac number, because 16986612101 - 2¹⁰ = 16986611077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16946612101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8493306050 + 8493306051.

It is an arithmetic number, because the mean of its divisors is an integer number (8493306051).

Almost surely, 2^16986612101 is an apocalyptic number.

It is an amenable number.

16986612101 is a deficient number, since it is larger than the sum of its proper divisors (1).

16986612101 is an equidigital number, since it uses as much as digits as its factorization.

16986612101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 16986612101 in words is "sixteen billion, nine hundred eighty-six million, six hundred twelve thousand, one hundred one".