16903691320277 has 2 divisors, whose sum is σ = 16903691320278. Its totient is φ = 16903691320276.

The previous prime is 16903691320267. The next prime is 16903691320279. The reversal of 16903691320277 is 77202319630961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9432029887921 + 7471661432356 = 3071161^2 + 2733434^2 .

It is a cyclic number.

It is not a de Polignac number, because 16903691320277 - 2⁶ = 16903691320213 is a prime.

Together with 16903691320279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16903691320279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8451845660138 + 8451845660139.

It is an arithmetic number, because the mean of its divisors is an integer number (8451845660139).

Almost surely, 2^{16903691320277} is an apocalyptic number.

It is an amenable number.

16903691320277 is a deficient number, since it is larger than the sum of its proper divisors (1).

16903691320277 is an equidigital number, since it uses as much as digits as its factorization.

16903691320277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 16903691320277 in words is "sixteen trillion, nine hundred three billion, six hundred ninety-one million, three hundred twenty thousand, two hundred seventy-seven".