16700110354549 has 2 divisors, whose sum is σ = 16700110354550. Its totient is φ = 16700110354548.

The previous prime is 16700110354547. The next prime is 16700110354567. The reversal of 16700110354549 is 94545301100761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10560270617649 + 6139839736900 = 3249657^2 + 2477870^2 .

It is a cyclic number.

It is not a de Polignac number, because 16700110354549 - 2¹ = 16700110354547 is a prime.

It is a super-2 number, since 2×16700110354549² (a number of 27 digits) contains 22 as substring.

Together with 16700110354547, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16700110354499 and 16700110354508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16700110354547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8350055177274 + 8350055177275.

It is an arithmetic number, because the mean of its divisors is an integer number (8350055177275).

Almost surely, 2^{16700110354549} is an apocalyptic number.

It is an amenable number.

16700110354549 is a deficient number, since it is larger than the sum of its proper divisors (1).

16700110354549 is an equidigital number, since it uses as much as digits as its factorization.

16700110354549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 16700110354549 in words is "sixteen trillion, seven hundred billion, one hundred ten million, three hundred fifty-four thousand, five hundred forty-nine".