16263456073 has 2 divisors, whose sum is σ = 16263456074. Its totient is φ = 16263456072.

The previous prime is 16263455951. The next prime is 16263456091. The reversal of 16263456073 is 37065436261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13455304009 + 2808152064 = 115997^2 + 52992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16263456073 is a prime.

It is not a weakly prime, because it can be changed into another prime (16263456673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8131728036 + 8131728037.

It is an arithmetic number, because the mean of its divisors is an integer number (8131728037).

Almost surely, 2^16263456073 is an apocalyptic number.

It is an amenable number.

16263456073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16263456073 is an equidigital number, since it uses as much as digits as its factorization.

16263456073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 16263456073 in words is "sixteen billion, two hundred sixty-three million, four hundred fifty-six thousand, seventy-three".