16630261663 has 2 divisors, whose sum is σ = 16630261664. Its totient is φ = 16630261662.

The previous prime is 16630261657. The next prime is 16630261673. The reversal of 16630261663 is 36616203661.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16630261663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16630261603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8315130831 + 8315130832.

It is an arithmetic number, because the mean of its divisors is an integer number (8315130832).

Almost surely, 2^16630261663 is an apocalyptic number.

16630261663 is a deficient number, since it is larger than the sum of its proper divisors (1).

16630261663 is an equidigital number, since it uses as much as digits as its factorization.

16630261663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 16630261663 in words is "sixteen billion, six hundred thirty million, two hundred sixty-one thousand, six hundred sixty-three".