16426620323 has 2 divisors, whose sum is σ = 16426620324. Its totient is φ = 16426620322.

The previous prime is 16426620319. The next prime is 16426620503. The reversal of 16426620323 is 32302662461.

It is a weak prime.

It is an emirp because it is prime and its reverse (32302662461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16426620323 - 2² = 16426620319 is a prime.

It is not a weakly prime, because it can be changed into another prime (16426620823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213310161 + 8213310162.

It is an arithmetic number, because the mean of its divisors is an integer number (8213310162).

Almost surely, 2^16426620323 is an apocalyptic number.

16426620323 is a deficient number, since it is larger than the sum of its proper divisors (1).

16426620323 is an equidigital number, since it uses as much as digits as its factorization.

16426620323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 16426620323 in words is "sixteen billion, four hundred twenty-six million, six hundred twenty thousand, three hundred twenty-three".