16807955623 has 2 divisors, whose sum is σ = 16807955624. Its totient is φ = 16807955622.

The previous prime is 16807955597. The next prime is 16807955653. The reversal of 16807955623 is 32655970861.

It is a weak prime.

It is an emirp because it is prime and its reverse (32655970861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16807955623 - 2²¹ = 16805858471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16807955653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8403977811 + 8403977812.

It is an arithmetic number, because the mean of its divisors is an integer number (8403977812).

Almost surely, 2^16807955623 is an apocalyptic number.

16807955623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16807955623 is an equidigital number, since it uses as much as digits as its factorization.

16807955623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 16807955623 in words is "sixteen billion, eight hundred seven million, nine hundred fifty-five thousand, six hundred twenty-three".