16486322378803 has 2 divisors, whose sum is σ = 16486322378804. Its totient is φ = 16486322378802.

The previous prime is 16486322378791. The next prime is 16486322378849. The reversal of 16486322378803 is 30887322368461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16486322378803 is a prime.

It is not a weakly prime, because it can be changed into another prime (16486322378873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243161189401 + 8243161189402.

It is an arithmetic number, because the mean of its divisors is an integer number (8243161189402).

Almost surely, 2^{16486322378803} is an apocalyptic number.

16486322378803 is a deficient number, since it is larger than the sum of its proper divisors (1).

16486322378803 is an equidigital number, since it uses as much as digits as its factorization.

16486322378803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 16486322378803 in words is "sixteen trillion, four hundred eighty-six billion, three hundred twenty-two million, three hundred seventy-eight thousand, eight hundred three".